* [PATCH v4 0/4] x86/cpu: Take Intel platform into account for old microcode checks
@ 2026-03-04 18:10 Dave Hansen
2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen
` (3 more replies)
0 siblings, 4 replies; 21+ messages in thread
From: Dave Hansen @ 2026-03-04 18:10 UTC (permalink / raw)
To: linux-kernel
Cc: sohil.mehta, zhao1.liu, Dave Hansen, Borislav Petkov,
H. Peter Anvin, Ingo Molnar, Jon Kohler, Pawan Gupta,
Peter Zijlstra (Intel),
Thomas Gleixner, Tony Luck, x86
Chagnes from v3:
* Fix handling of the Pentium II's "no platform" goofiness.
Note: this was found in a Github Copilot review of the
series. I wrote the solution.
* Rebase to 7.0-rc2
Changes from v2:
* Move new helpers from .h into .c file. This avoids the
#include dependency issues for now. That can be dealt
with another day.
* Rename x86_platform_id to have an intel_ prefix and add a
union to make it clear that AMD can use the space for
something else
Changes from v1:
* Fix non-x86 PECI compile issues by lifting some x86 macros
into an arch-independent header.
* Make intel_get_platform_id() match its name and return an ID,
not a mask.
* Sort #includes
* Move ->x86_platform_id comment
The platform ID vs. platform mask confusion meant that v1
worked by total accident. If you tested v1, I'd really
appreciate you retest this as well.
--
There was a report[1] that CPUs running updated microcode were being
reported as running old microcode. The reason is that the old
microcode list neglects to take the platform ID into account.
The platform ID is an Intel-only construct that allows CPUs that
otherwise have the same model/family/stepping to take different
microcode revisions. The microcode loader itself already checks this.
Only the recent "old_microcode" checker failed here.
Treat the platform ID as a peer of model/family/stepping. Store it
in 'struct cpuinfo_x86', enable matching on it with with 'struct
x86_cpu_id', and flesh out the 'old_microcode' list with it.
This fixes the report of an inaccurate, false positive in the
'old_microcode' vulnerability file.
1. https://lore.kernel.org/all/38660F8F-499E-48CD-B58B-4822228A5941@nutanix.com/
Cc: Thomas Gleixner <tglx@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Cc: x86@kernel.org
Cc: Jon Kohler <jon@nutanix.com>
arch/x86/include/asm/microcode.h | 2
arch/x86/include/asm/processor.h | 5
arch/x86/kernel/cpu/intel.c | 1
arch/x86/kernel/cpu/match.c | 3
arch/x86/kernel/cpu/microcode/intel-ucode-defs.h | 398 +++++++++++++----------
arch/x86/kernel/cpu/microcode/intel.c | 55 ++-
include/linux/mod_devicetable.h | 2
7 files changed, 294 insertions(+), 172 deletions(-)
^ permalink raw reply [flat|nested] 21+ messages in thread* [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-04 18:10 [PATCH v4 0/4] x86/cpu: Take Intel platform into account for old microcode checks Dave Hansen @ 2026-03-04 18:10 ` Dave Hansen 2026-03-05 1:38 ` Pawan Gupta ` (3 more replies) 2026-03-04 18:10 ` [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure Dave Hansen ` (2 subsequent siblings) 3 siblings, 4 replies; 21+ messages in thread From: Dave Hansen @ 2026-03-04 18:10 UTC (permalink / raw) To: linux-kernel Cc: sohil.mehta, zhao1.liu, Dave Hansen, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Pawan Gupta, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 From: Dave Hansen <dave.hansen@linux.intel.com> Today, the only code that cares about the platform ID is the microcode update code itself. To facilitate storing the platform ID in a more generic place and using it outside of the microcode update itself, put the enumeration into a helper function. Mirror intel_get_microcode_revision()'s naming and location. But, moving away from intel_collect_cpu_info() means that the model and family information in CPUID is not readily available. Just call CPUID again. Note that the microcode header is a mask of supported platform IDs. Only stick the ID part in the helper. Leave the 1<<id part in the microcode handling. Also note that the PII is weird. It does not really have a platform ID because it doesn't even have the MSR. Just consider it to be platform ID 0. Instead of saying >=PII, say <=PII. The PII is the real oddball here being the only CPU with Linux microcode updates but no platform ID. It's worth calling it out by name. This does subtly change the sig->pf for the PII though from 0x0 to 0x1. Make up for that by ignoring sig->pf when the microcode update platform mask is 0x0. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Cc: Thomas Gleixner <tglx@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: x86@kernel.org Cc: Jon Kohler <jon@nutanix.com> -- Changes from v3: * Handle the empty platform mask on the PII --- b/arch/x86/kernel/cpu/microcode/intel.c | 53 +++++++++++++++++++++++++------- 1 file changed, 42 insertions(+), 11 deletions(-) diff -puN arch/x86/kernel/cpu/microcode/intel.c~refactor-get-processor-flags arch/x86/kernel/cpu/microcode/intel.c --- a/arch/x86/kernel/cpu/microcode/intel.c~refactor-get-processor-flags 2026-03-04 09:19:02.438748485 -0800 +++ b/arch/x86/kernel/cpu/microcode/intel.c 2026-03-04 09:19:02.441748599 -0800 @@ -120,19 +120,43 @@ static inline unsigned int exttable_size return et->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE; } +/* + * Use CPUID to generate a "vfm" value. Useful + * before 'cpuinfo_x86' structures are populated. + */ +static u32 intel_cpuid_vfm(void) +{ + u32 eax = cpuid_eax(1); + u32 fam = x86_family(eax); + u32 model = x86_model(eax); + + return IFM(fam, model); +} + +static u32 intel_get_platform_id(void) +{ + unsigned int val[2]; + + /* + * This can be called early. Use CPUID directly instead of + * relying on cpuinfo_x86 which may not be fully initialized. + * The PII does not have MSR_IA32_PLATFORM_ID. Everything + * before _it_ has no microcode (for Linux at least). + */ + if (intel_cpuid_vfm() <= INTEL_PENTIUM_II_KLAMATH) + return 0; + + /* get processor flags from MSR 0x17 */ + native_rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]); + + return (val[1] >> 18) & 7; +} + void intel_collect_cpu_info(struct cpu_signature *sig) { sig->sig = cpuid_eax(1); - sig->pf = 0; sig->rev = intel_get_microcode_revision(); - - if (IFM(x86_family(sig->sig), x86_model(sig->sig)) >= INTEL_PENTIUM_III_DESCHUTES) { - unsigned int val[2]; - - /* get processor flags from MSR 0x17 */ - native_rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]); - sig->pf = 1 << ((val[1] >> 18) & 7); - } + sig->pf = 1 << intel_get_platform_id(); } EXPORT_SYMBOL_GPL(intel_collect_cpu_info); @@ -142,8 +166,15 @@ static inline bool cpu_signatures_match( if (s1->sig != sig2) return false; - /* Processor flags are either both 0 or they intersect. */ - return ((!s1->pf && !pf2) || (s1->pf & pf2)); + /* + * Consider an empty mask to match everything. This + * should only occur for one CPU model, the PII. + */ + if (!pf2) + return true; + + /* Is the CPU's platform ID in the signature mask? */ + return s1->pf & pf2; } bool intel_find_matching_signature(void *mc, struct cpu_signature *sig) _ ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen @ 2026-03-05 1:38 ` Pawan Gupta 2026-03-05 6:28 ` Sohil Mehta 2026-03-05 18:37 ` Dave Hansen 2026-03-05 13:16 ` Borislav Petkov ` (2 subsequent siblings) 3 siblings, 2 replies; 21+ messages in thread From: Pawan Gupta @ 2026-03-05 1:38 UTC (permalink / raw) To: Dave Hansen Cc: linux-kernel, sohil.mehta, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On Wed, Mar 04, 2026 at 10:10:18AM -0800, Dave Hansen wrote: > > From: Dave Hansen <dave.hansen@linux.intel.com> > > Today, the only code that cares about the platform ID is the microcode > update code itself. To facilitate storing the platform ID in a more > generic place and using it outside of the microcode update itself, put > the enumeration into a helper function. Mirror > intel_get_microcode_revision()'s naming and location. > > But, moving away from intel_collect_cpu_info() means that the model > and family information in CPUID is not readily available. Just call > CPUID again. > > Note that the microcode header is a mask of supported platform IDs. > Only stick the ID part in the helper. Leave the 1<<id part in the > microcode handling. > > Also note that the PII is weird. It does not really have a platform > ID because it doesn't even have the MSR. Just consider it to be > platform ID 0. Instead of saying >=PII, say <=PII. The PII is the ^ I think you meant PIII here? > real oddball here being the only CPU with Linux microcode updates > but no platform ID. It's worth calling it out by name. > > This does subtly change the sig->pf for the PII though from 0x0 > to 0x1. Make up for that by ignoring sig->pf when the microcode > update platform mask is 0x0. > > Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> > Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> > Cc: Thomas Gleixner <tglx@kernel.org> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Dave Hansen <dave.hansen@linux.intel.com> > Cc: "H. Peter Anvin" <hpa@zytor.com> > Cc: Tony Luck <tony.luck@intel.com> > Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> > Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> > Cc: x86@kernel.org > Cc: Jon Kohler <jon@nutanix.com> > > -- > > Changes from v3: > * Handle the empty platform mask on the PII > > --- > > b/arch/x86/kernel/cpu/microcode/intel.c | 53 +++++++++++++++++++++++++------- > 1 file changed, 42 insertions(+), 11 deletions(-) > > diff -puN arch/x86/kernel/cpu/microcode/intel.c~refactor-get-processor-flags arch/x86/kernel/cpu/microcode/intel.c > --- a/arch/x86/kernel/cpu/microcode/intel.c~refactor-get-processor-flags 2026-03-04 09:19:02.438748485 -0800 > +++ b/arch/x86/kernel/cpu/microcode/intel.c 2026-03-04 09:19:02.441748599 -0800 > @@ -120,19 +120,43 @@ static inline unsigned int exttable_size > return et->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE; > } > > +/* > + * Use CPUID to generate a "vfm" value. Useful > + * before 'cpuinfo_x86' structures are populated. > + */ > +static u32 intel_cpuid_vfm(void) > +{ > + u32 eax = cpuid_eax(1); > + u32 fam = x86_family(eax); > + u32 model = x86_model(eax); Nit, is s/eax/sig/ more clear? u32 sig = cpuid_eax(1); u32 fam = x86_family(sig); u32 model = x86_model(sig); Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-05 1:38 ` Pawan Gupta @ 2026-03-05 6:28 ` Sohil Mehta 2026-03-05 18:01 ` Pawan Gupta 2026-03-05 18:37 ` Dave Hansen 1 sibling, 1 reply; 21+ messages in thread From: Sohil Mehta @ 2026-03-05 6:28 UTC (permalink / raw) To: Pawan Gupta, Dave Hansen Cc: linux-kernel, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On 3/4/2026 5:38 PM, Pawan Gupta wrote: > On Wed, Mar 04, 2026 at 10:10:18AM -0800, Dave Hansen wrote: >> Also note that the PII is weird. It does not really have a platform >> ID because it doesn't even have the MSR. Just consider it to be >> platform ID 0. Instead of saying >=PII, say <=PII. The PII is the > ^ > I think you meant PIII here? > What Dave has here is correct. You can blame me for the confusion. Family 6, model 5 is DESCHUTES but Pentium II and not III. I incorrectly named it INTEL_PENTIUM_III_DESCHUTES in commit 7e6b0a2e4152 ("x86/microcode: Update the Intel processor flag scan check"). It should have been named INTEL_PENTIUM_II_DESCHUTES. Anyway, there are no other users of this. So after this series merges I'll send a cleanup patch deleting the #define completely. >> real oddball here being the only CPU with Linux microcode updates >> but no platform ID. It's worth calling it out by name. >> ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-05 6:28 ` Sohil Mehta @ 2026-03-05 18:01 ` Pawan Gupta 0 siblings, 0 replies; 21+ messages in thread From: Pawan Gupta @ 2026-03-05 18:01 UTC (permalink / raw) To: Sohil Mehta Cc: Dave Hansen, linux-kernel, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On Wed, Mar 04, 2026 at 10:28:13PM -0800, Sohil Mehta wrote: > On 3/4/2026 5:38 PM, Pawan Gupta wrote: > > On Wed, Mar 04, 2026 at 10:10:18AM -0800, Dave Hansen wrote: > > >> Also note that the PII is weird. It does not really have a platform > >> ID because it doesn't even have the MSR. Just consider it to be > >> platform ID 0. Instead of saying >=PII, say <=PII. The PII is the > > ^ > > I think you meant PIII here? > > > > What Dave has here is correct. You can blame me for the confusion. > Family 6, model 5 is DESCHUTES but Pentium II and not III. > > I incorrectly named it INTEL_PENTIUM_III_DESCHUTES in commit > 7e6b0a2e4152 ("x86/microcode: Update the Intel processor flag scan > check"). It should have been named INTEL_PENTIUM_II_DESCHUTES. > > Anyway, there are no other users of this. So after this series merges > I'll send a cleanup patch deleting the #define completely. Ohk, thanks for the clarification. ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-05 1:38 ` Pawan Gupta 2026-03-05 6:28 ` Sohil Mehta @ 2026-03-05 18:37 ` Dave Hansen 1 sibling, 0 replies; 21+ messages in thread From: Dave Hansen @ 2026-03-05 18:37 UTC (permalink / raw) To: Pawan Gupta, Dave Hansen Cc: linux-kernel, sohil.mehta, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On 3/4/26 17:38, Pawan Gupta wrote: >> +/* >> + * Use CPUID to generate a "vfm" value. Useful >> + * before 'cpuinfo_x86' structures are populated. >> + */ >> +static u32 intel_cpuid_vfm(void) >> +{ >> + u32 eax = cpuid_eax(1); >> + u32 fam = x86_family(eax); >> + u32 model = x86_model(eax); > Nit, is s/eax/sig/ more clear? > > u32 sig = cpuid_eax(1); > u32 fam = x86_family(sig); > u32 model = x86_model(sig); It's debatable. It's nice having the 'sig' explain what's in EAX. But 'sig' is pretty generic and the code is all right here anyway. I think I'll leave it as 'eax'. ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen 2026-03-05 1:38 ` Pawan Gupta @ 2026-03-05 13:16 ` Borislav Petkov 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 3 siblings, 0 replies; 21+ messages in thread From: Borislav Petkov @ 2026-03-05 13:16 UTC (permalink / raw) To: Dave Hansen Cc: linux-kernel, sohil.mehta, zhao1.liu, H. Peter Anvin, Ingo Molnar, Jon Kohler, Pawan Gupta, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On Wed, Mar 04, 2026 at 10:10:18AM -0800, Dave Hansen wrote: > > From: Dave Hansen <dave.hansen@linux.intel.com> > > Today, the only code that cares about the platform ID is the microcode > update code itself. To facilitate storing the platform ID in a more > generic place and using it outside of the microcode update itself, put > the enumeration into a helper function. Mirror > intel_get_microcode_revision()'s naming and location. > > But, moving away from intel_collect_cpu_info() means that the model > and family information in CPUID is not readily available. Just call > CPUID again. Not a big deal after Ahmed's set lands. > Note that the microcode header is a mask of supported platform IDs. > Only stick the ID part in the helper. Leave the 1<<id part in the > microcode handling. > > Also note that the PII is weird. It does not really have a platform > ID because it doesn't even have the MSR. Just consider it to be > platform ID 0. Instead of saying >=PII, say <=PII. The PII is the > real oddball here being the only CPU with Linux microcode updates > but no platform ID. It's worth calling it out by name. > > This does subtly change the sig->pf for the PII though from 0x0 > to 0x1. Make up for that by ignoring sig->pf when the microcode > update platform mask is 0x0. > > Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> > Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> > Cc: Thomas Gleixner <tglx@kernel.org> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Dave Hansen <dave.hansen@linux.intel.com> > Cc: "H. Peter Anvin" <hpa@zytor.com> > Cc: Tony Luck <tony.luck@intel.com> > Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> > Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> > Cc: x86@kernel.org > Cc: Jon Kohler <jon@nutanix.com> > > -- > > Changes from v3: > * Handle the empty platform mask on the PII > > --- > > b/arch/x86/kernel/cpu/microcode/intel.c | 53 +++++++++++++++++++++++++------- > 1 file changed, 42 insertions(+), 11 deletions(-) > > diff -puN arch/x86/kernel/cpu/microcode/intel.c~refactor-get-processor-flags arch/x86/kernel/cpu/microcode/intel.c > --- a/arch/x86/kernel/cpu/microcode/intel.c~refactor-get-processor-flags 2026-03-04 09:19:02.438748485 -0800 > +++ b/arch/x86/kernel/cpu/microcode/intel.c 2026-03-04 09:19:02.441748599 -0800 > @@ -120,19 +120,43 @@ static inline unsigned int exttable_size > return et->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE; > } > > +/* > + * Use CPUID to generate a "vfm" value. Useful > + * before 'cpuinfo_x86' structures are populated. > + */ Use the full length of 80-ish cols: /* * Use CPUID to generate a "vfm" value. Useful before cpuinfo_x86 * structures are populated. */ > +static u32 intel_cpuid_vfm(void) > +{ > + u32 eax = cpuid_eax(1); > + u32 fam = x86_family(eax); > + u32 model = x86_model(eax); > + > + return IFM(fam, model); > +} That helper looks pretty generic. We should remember to pull it up if we end up needing it somewhere else... Otherwise, LGTM. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen 2026-03-05 1:38 ` Pawan Gupta 2026-03-05 13:16 ` Borislav Petkov @ 2026-03-05 19:07 ` tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 3 siblings, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 19:07 UTC (permalink / raw) To: linux-tip-commits Cc: Dave Hansen, Sohil Mehta, Pawan Gupta, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: da67a0320397125fcbb2e856a31889150c648f3a Gitweb: https://git.kernel.org/tip/da67a0320397125fcbb2e856a31889150c648f3a Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:18 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 10:41:10 -08:00 x86/microcode: Refactor platform ID enumeration into a helper Today, the only code that cares about the platform ID is the microcode update code itself. To facilitate storing the platform ID in a more generic place and using it outside of the microcode update itself, put the enumeration into a helper function. Mirror intel_get_microcode_revision()'s naming and location. But, moving away from intel_collect_cpu_info() means that the model and family information in CPUID is not readily available. Just call CPUID again. Note that the microcode header is a mask of supported platform IDs. Only stick the ID part in the helper. Leave the 1<<id part in the microcode handling. Also note that the PII is weird. It does not really have a platform ID because it doesn't even have the MSR. Just consider it to be platform ID 0. Instead of saying >=PII, say <=PII. The PII is the real oddball here being the only CPU with Linux microcode updates but no platform ID. It's worth calling it out by name. This does subtly change the sig->pf for the PII though from 0x0 to 0x1. Make up for that by ignoring sig->pf when the microcode update platform mask is 0x0. [ dhansen: reflow comment for bpetkov ] -- Changes from v3: * Handle the empty platform mask on the PII Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Link: https://patch.msgid.link/20260304181018.EB6404F8@davehans-spike.ostc.intel.com --- arch/x86/kernel/cpu/microcode/intel.c | 54 ++++++++++++++++++++------ 1 file changed, 43 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 8744f3a..83c6cd2 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -120,19 +120,44 @@ static inline unsigned int exttable_size(struct extended_sigtable *et) return et->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE; } + +/* + * Use CPUID to generate a "vfm" value. Useful before cpuinfo_x86 + * structures are populated. + */ +static u32 intel_cpuid_vfm(void) +{ + u32 eax = cpuid_eax(1); + u32 fam = x86_family(eax); + u32 model = x86_model(eax); + + return IFM(fam, model); +} + +static u32 intel_get_platform_id(void) +{ + unsigned int val[2]; + + /* + * This can be called early. Use CPUID directly instead of + * relying on cpuinfo_x86 which may not be fully initialized. + * The PII does not have MSR_IA32_PLATFORM_ID. Everything + * before _it_ has no microcode (for Linux at least). + */ + if (intel_cpuid_vfm() <= INTEL_PENTIUM_II_KLAMATH) + return 0; + + /* get processor flags from MSR 0x17 */ + native_rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]); + + return (val[1] >> 18) & 7; +} + void intel_collect_cpu_info(struct cpu_signature *sig) { sig->sig = cpuid_eax(1); - sig->pf = 0; sig->rev = intel_get_microcode_revision(); - - if (IFM(x86_family(sig->sig), x86_model(sig->sig)) >= INTEL_PENTIUM_III_DESCHUTES) { - unsigned int val[2]; - - /* get processor flags from MSR 0x17 */ - native_rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]); - sig->pf = 1 << ((val[1] >> 18) & 7); - } + sig->pf = 1 << intel_get_platform_id(); } EXPORT_SYMBOL_GPL(intel_collect_cpu_info); @@ -142,8 +167,15 @@ static inline bool cpu_signatures_match(struct cpu_signature *s1, unsigned int s if (s1->sig != sig2) return false; - /* Processor flags are either both 0 or they intersect. */ - return ((!s1->pf && !pf2) || (s1->pf & pf2)); + /* + * Consider an empty mask to match everything. This + * should only occur for one CPU model, the PII. + */ + if (!pf2) + return true; + + /* Is the CPU's platform ID in the signature mask? */ + return s1->pf & pf2; } bool intel_find_matching_signature(void *mc, struct cpu_signature *sig) ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/microcode: Refactor platform ID enumeration into a helper 2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen ` (2 preceding siblings ...) 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen @ 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 3 siblings, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 20:28 UTC (permalink / raw) To: linux-tip-commits Cc: Dave Hansen, Sohil Mehta, Pawan Gupta, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: 238be4ba87605da69de2131e8736be7a0d299e00 Gitweb: https://git.kernel.org/tip/238be4ba87605da69de2131e8736be7a0d299e00 Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:18 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 12:25:18 -08:00 x86/microcode: Refactor platform ID enumeration into a helper Today, the only code that cares about the platform ID is the microcode update code itself. To facilitate storing the platform ID in a more generic place and using it outside of the microcode update itself, put the enumeration into a helper function. Mirror intel_get_microcode_revision()'s naming and location. But, moving away from intel_collect_cpu_info() means that the model and family information in CPUID is not readily available. Just call CPUID again. Note that the microcode header is a mask of supported platform IDs. Only stick the ID part in the helper. Leave the 1<<id part in the microcode handling. Also note that the PII is weird. It does not really have a platform ID because it doesn't even have the MSR. Just consider it to be platform ID 0. Instead of saying >=PII, say <=PII. The PII is the real oddball here being the only CPU with Linux microcode updates but no platform ID. It's worth calling it out by name. This does subtly change the sig->pf for the PII though from 0x0 to 0x1. Make up for that by ignoring sig->pf when the microcode update platform mask is 0x0. [ dhansen: reflow comment for bpetkov ] Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Link: https://patch.msgid.link/20260304181018.EB6404F8@davehans-spike.ostc.intel.com --- arch/x86/kernel/cpu/microcode/intel.c | 54 ++++++++++++++++++++------ 1 file changed, 43 insertions(+), 11 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 8744f3a..83c6cd2 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -120,19 +120,44 @@ static inline unsigned int exttable_size(struct extended_sigtable *et) return et->count * EXT_SIGNATURE_SIZE + EXT_HEADER_SIZE; } + +/* + * Use CPUID to generate a "vfm" value. Useful before cpuinfo_x86 + * structures are populated. + */ +static u32 intel_cpuid_vfm(void) +{ + u32 eax = cpuid_eax(1); + u32 fam = x86_family(eax); + u32 model = x86_model(eax); + + return IFM(fam, model); +} + +static u32 intel_get_platform_id(void) +{ + unsigned int val[2]; + + /* + * This can be called early. Use CPUID directly instead of + * relying on cpuinfo_x86 which may not be fully initialized. + * The PII does not have MSR_IA32_PLATFORM_ID. Everything + * before _it_ has no microcode (for Linux at least). + */ + if (intel_cpuid_vfm() <= INTEL_PENTIUM_II_KLAMATH) + return 0; + + /* get processor flags from MSR 0x17 */ + native_rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]); + + return (val[1] >> 18) & 7; +} + void intel_collect_cpu_info(struct cpu_signature *sig) { sig->sig = cpuid_eax(1); - sig->pf = 0; sig->rev = intel_get_microcode_revision(); - - if (IFM(x86_family(sig->sig), x86_model(sig->sig)) >= INTEL_PENTIUM_III_DESCHUTES) { - unsigned int val[2]; - - /* get processor flags from MSR 0x17 */ - native_rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]); - sig->pf = 1 << ((val[1] >> 18) & 7); - } + sig->pf = 1 << intel_get_platform_id(); } EXPORT_SYMBOL_GPL(intel_collect_cpu_info); @@ -142,8 +167,15 @@ static inline bool cpu_signatures_match(struct cpu_signature *s1, unsigned int s if (s1->sig != sig2) return false; - /* Processor flags are either both 0 or they intersect. */ - return ((!s1->pf && !pf2) || (s1->pf & pf2)); + /* + * Consider an empty mask to match everything. This + * should only occur for one CPU model, the PII. + */ + if (!pf2) + return true; + + /* Is the CPU's platform ID in the signature mask? */ + return s1->pf & pf2; } bool intel_find_matching_signature(void *mc, struct cpu_signature *sig) ^ permalink raw reply [flat|nested] 21+ messages in thread
* [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure 2026-03-04 18:10 [PATCH v4 0/4] x86/cpu: Take Intel platform into account for old microcode checks Dave Hansen 2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen @ 2026-03-04 18:10 ` Dave Hansen 2026-03-05 2:26 ` Pawan Gupta ` (3 more replies) 2026-03-04 18:10 ` [PATCH v4 3/4] x86/cpu: Add platform ID to CPU matching structure Dave Hansen 2026-03-04 18:10 ` [PATCH v4 4/4] x86/microcode: Add platform mask to Intel microcode "old" list Dave Hansen 3 siblings, 4 replies; 21+ messages in thread From: Dave Hansen @ 2026-03-04 18:10 UTC (permalink / raw) To: linux-kernel Cc: sohil.mehta, zhao1.liu, Dave Hansen, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Pawan Gupta, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 From: Dave Hansen <dave.hansen@linux.intel.com> The end goal here is to be able to do x86_match_cpu() and match on a specific platform ID. While it would be possible to stash this ID off somewhere or read it dynamically, that approaches would not be consistent with the other fields which can be matched. Read the platform ID and store it in cpuinfo_x86. There are lots of sites to set this new field. Place it near the place c->microcode is established since the platform ID is so closely intertwined with microcode updates. Note: This should not grow the size of 'struct cpuinfo_x86' in practice since the u8 fits next to another u8 in the structure. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Cc: Thomas Gleixner <tglx@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: x86@kernel.org Cc: Jon Kohler <jon@nutanix.com> -- Changes from v2: * rename x86_platform_id=>intel_platform_id and remove initialization from generic code * Add a amd_unused so it's clear the AMD folks have a free field to play with. --- b/arch/x86/include/asm/microcode.h | 2 ++ b/arch/x86/include/asm/processor.h | 5 +++++ b/arch/x86/kernel/cpu/intel.c | 1 + b/arch/x86/kernel/cpu/microcode/intel.c | 2 +- 4 files changed, 9 insertions(+), 1 deletion(-) diff -puN arch/x86/include/asm/microcode.h~cpu-x86_stepping arch/x86/include/asm/microcode.h --- a/arch/x86/include/asm/microcode.h~cpu-x86_stepping 2026-02-24 15:37:21.947261472 -0800 +++ b/arch/x86/include/asm/microcode.h 2026-02-24 15:37:21.955261858 -0800 @@ -61,6 +61,8 @@ static inline int intel_microcode_get_da return hdr->datasize ? : DEFAULT_UCODE_DATASIZE; } +extern u32 intel_get_platform_id(void); + static inline u32 intel_get_microcode_revision(void) { u32 rev, dummy; diff -puN arch/x86/include/asm/processor.h~cpu-x86_stepping arch/x86/include/asm/processor.h --- a/arch/x86/include/asm/processor.h~cpu-x86_stepping 2026-02-24 15:37:21.949261568 -0800 +++ b/arch/x86/include/asm/processor.h 2026-02-24 15:37:21.955261858 -0800 @@ -140,6 +140,11 @@ struct cpuinfo_x86 { __u32 x86_vfm; }; __u8 x86_stepping; + union { + // MSR_IA32_PLATFORM_ID[52-50] + __u8 intel_platform_id; + __u8 amd_unused; + }; #ifdef CONFIG_X86_64 /* Number of 4K pages in DTLB/ITLB combined(in pages): */ int x86_tlbsize; diff -puN arch/x86/kernel/cpu/intel.c~cpu-x86_stepping arch/x86/kernel/cpu/intel.c --- a/arch/x86/kernel/cpu/intel.c~cpu-x86_stepping 2026-02-24 15:37:21.950261617 -0800 +++ b/arch/x86/kernel/cpu/intel.c 2026-02-24 15:37:21.955261858 -0800 @@ -205,6 +205,7 @@ static void early_init_intel(struct cpui if (c->x86 >= 6 && !cpu_has(c, X86_FEATURE_IA64)) c->microcode = intel_get_microcode_revision(); + c->intel_platform_id = intel_get_platform_id(); /* Now if any of them are set, check the blacklist and clear the lot */ if ((cpu_has(c, X86_FEATURE_SPEC_CTRL) || diff -puN arch/x86/kernel/cpu/microcode/intel.c~cpu-x86_stepping arch/x86/kernel/cpu/microcode/intel.c --- a/arch/x86/kernel/cpu/microcode/intel.c~cpu-x86_stepping 2026-02-24 15:37:21.952261713 -0800 +++ b/arch/x86/kernel/cpu/microcode/intel.c 2026-02-24 15:37:21.955261858 -0800 @@ -133,7 +133,7 @@ static u32 intel_cpuid_vfm(void) return IFM(fam, model); } -static u32 intel_get_platform_id(void) +u32 intel_get_platform_id(void) { unsigned int val[2]; _ ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure 2026-03-04 18:10 ` [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure Dave Hansen @ 2026-03-05 2:26 ` Pawan Gupta 2026-03-05 18:39 ` Dave Hansen 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen ` (2 subsequent siblings) 3 siblings, 1 reply; 21+ messages in thread From: Pawan Gupta @ 2026-03-05 2:26 UTC (permalink / raw) To: Dave Hansen Cc: linux-kernel, sohil.mehta, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On Wed, Mar 04, 2026 at 10:10:20AM -0800, Dave Hansen wrote: > > From: Dave Hansen <dave.hansen@linux.intel.com> > > The end goal here is to be able to do x86_match_cpu() and match on a > specific platform ID. While it would be possible to stash this ID > off somewhere or read it dynamically, that approaches would not be > consistent with the other fields which can be matched. > > Read the platform ID and store it in cpuinfo_x86. > > There are lots of sites to set this new field. Place it near > the place c->microcode is established since the platform ID is > so closely intertwined with microcode updates. > > Note: This should not grow the size of 'struct cpuinfo_x86' in > practice since the u8 fits next to another u8 in the structure. > > Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> > Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> > Cc: Thomas Gleixner <tglx@kernel.org> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Dave Hansen <dave.hansen@linux.intel.com> > Cc: "H. Peter Anvin" <hpa@zytor.com> > Cc: Tony Luck <tony.luck@intel.com> > Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> > Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> > Cc: x86@kernel.org > Cc: Jon Kohler <jon@nutanix.com> > > -- > > Changes from v2: > * rename x86_platform_id=>intel_platform_id and remove > initialization from generic code > * Add a amd_unused so it's clear the AMD folks have a > free field to play with. > --- > > b/arch/x86/include/asm/microcode.h | 2 ++ > b/arch/x86/include/asm/processor.h | 5 +++++ > b/arch/x86/kernel/cpu/intel.c | 1 + > b/arch/x86/kernel/cpu/microcode/intel.c | 2 +- > 4 files changed, 9 insertions(+), 1 deletion(-) > > diff -puN arch/x86/include/asm/microcode.h~cpu-x86_stepping arch/x86/include/asm/microcode.h > --- a/arch/x86/include/asm/microcode.h~cpu-x86_stepping 2026-02-24 15:37:21.947261472 -0800 > +++ b/arch/x86/include/asm/microcode.h 2026-02-24 15:37:21.955261858 -0800 > @@ -61,6 +61,8 @@ static inline int intel_microcode_get_da > return hdr->datasize ? : DEFAULT_UCODE_DATASIZE; > } > > +extern u32 intel_get_platform_id(void); > + > static inline u32 intel_get_microcode_revision(void) > { > u32 rev, dummy; > diff -puN arch/x86/include/asm/processor.h~cpu-x86_stepping arch/x86/include/asm/processor.h > --- a/arch/x86/include/asm/processor.h~cpu-x86_stepping 2026-02-24 15:37:21.949261568 -0800 > +++ b/arch/x86/include/asm/processor.h 2026-02-24 15:37:21.955261858 -0800 > @@ -140,6 +140,11 @@ struct cpuinfo_x86 { > __u32 x86_vfm; > }; > __u8 x86_stepping; > + union { > + // MSR_IA32_PLATFORM_ID[52-50] > + __u8 intel_platform_id; > + __u8 amd_unused; > + }; > #ifdef CONFIG_X86_64 > /* Number of 4K pages in DTLB/ITLB combined(in pages): */ > int x86_tlbsize; > diff -puN arch/x86/kernel/cpu/intel.c~cpu-x86_stepping arch/x86/kernel/cpu/intel.c > --- a/arch/x86/kernel/cpu/intel.c~cpu-x86_stepping 2026-02-24 15:37:21.950261617 -0800 > +++ b/arch/x86/kernel/cpu/intel.c 2026-02-24 15:37:21.955261858 -0800 > @@ -205,6 +205,7 @@ static void early_init_intel(struct cpui > > if (c->x86 >= 6 && !cpu_has(c, X86_FEATURE_IA64)) > c->microcode = intel_get_microcode_revision(); > + c->intel_platform_id = intel_get_platform_id(); Just want to make sure that c->intel_platform_id not getting explicitly initialized for !CONFIG_CPU_SUP_INTEL is okay. I believe it is fine because the global boot_cpu_data should be zero-initialized. I see model and stepping are being initialized in identify_cpu(), but I don't see any vendor specific initialization here: identify_cpu() { int i; c->loops_per_jiffy = loops_per_jiffy; c->x86_cache_size = 0; c->x86_vendor = X86_VENDOR_UNKNOWN; c->x86_model = c->x86_stepping = 0; /* So far unknown... */ Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> ^ permalink raw reply [flat|nested] 21+ messages in thread
* Re: [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure 2026-03-05 2:26 ` Pawan Gupta @ 2026-03-05 18:39 ` Dave Hansen 0 siblings, 0 replies; 21+ messages in thread From: Dave Hansen @ 2026-03-05 18:39 UTC (permalink / raw) To: Pawan Gupta, Dave Hansen Cc: linux-kernel, sohil.mehta, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On 3/4/26 18:26, Pawan Gupta wrote: > Just want to make sure that c->intel_platform_id not getting explicitly > initialized for !CONFIG_CPU_SUP_INTEL is okay. I believe it is fine because > the global boot_cpu_data should be zero-initialized. > > I see model and stepping are being initialized in identify_cpu(), but I > don't see any vendor specific initialization here: > > identify_cpu() > { > int i; > > c->loops_per_jiffy = loops_per_jiffy; > c->x86_cache_size = 0; > c->x86_vendor = X86_VENDOR_UNKNOWN; > c->x86_model = c->x86_stepping = 0; /* So far unknown... */ Yeah, I believe it's OK. The model/stepping initialization is probably unnecessary in the first place, and all of the Intel code that use the platform IDs will have set it properly. ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/cpu: Add platform ID to CPU info structure 2026-03-04 18:10 ` [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure Dave Hansen 2026-03-05 2:26 ` Pawan Gupta @ 2026-03-05 19:07 ` tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen [not found] ` <20260306004923.ln6ai2zl23gjsdov@desk> 3 siblings, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 19:07 UTC (permalink / raw) To: linux-tip-commits Cc: Dave Hansen, Sohil Mehta, Pawan Gupta, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: 55ed3712b70c2c80a2fe09d7f7be48459867754d Gitweb: https://git.kernel.org/tip/55ed3712b70c2c80a2fe09d7f7be48459867754d Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:20 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 10:41:30 -08:00 x86/cpu: Add platform ID to CPU info structure The end goal here is to be able to do x86_match_cpu() and match on a specific platform ID. While it would be possible to stash this ID off somewhere or read it dynamically, that approaches would not be consistent with the other fields which can be matched. Read the platform ID and store it in cpuinfo_x86. There are lots of sites to set this new field. Place it near the place c->microcode is established since the platform ID is so closely intertwined with microcode updates. Note: This should not grow the size of 'struct cpuinfo_x86' in practice since the u8 fits next to another u8 in the structure. -- Changes from v2: * rename x86_platform_id=>intel_platform_id and remove initialization from generic code * Add a amd_unused so it's clear the AMD folks have a free field to play with. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Link: https://patch.msgid.link/20260304181020.8D518228@davehans-spike.ostc.intel.com --- arch/x86/include/asm/microcode.h | 2 ++ arch/x86/include/asm/processor.h | 5 +++++ arch/x86/kernel/cpu/intel.c | 1 + arch/x86/kernel/cpu/microcode/intel.c | 2 +- 4 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h index 8b41f26..3c317d1 100644 --- a/arch/x86/include/asm/microcode.h +++ b/arch/x86/include/asm/microcode.h @@ -61,6 +61,8 @@ static inline int intel_microcode_get_datasize(struct microcode_header_intel *hd return hdr->datasize ? : DEFAULT_UCODE_DATASIZE; } +extern u32 intel_get_platform_id(void); + static inline u32 intel_get_microcode_revision(void) { u32 rev, dummy; diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index a24c780..10b5355 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -140,6 +140,11 @@ struct cpuinfo_x86 { __u32 x86_vfm; }; __u8 x86_stepping; + union { + // MSR_IA32_PLATFORM_ID[52-50] + __u8 intel_platform_id; + __u8 amd_unused; + }; #ifdef CONFIG_X86_64 /* Number of 4K pages in DTLB/ITLB combined(in pages): */ int x86_tlbsize; diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 646ff33..f28c0ef 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -205,6 +205,7 @@ static void early_init_intel(struct cpuinfo_x86 *c) if (c->x86 >= 6 && !cpu_has(c, X86_FEATURE_IA64)) c->microcode = intel_get_microcode_revision(); + c->intel_platform_id = intel_get_platform_id(); /* Now if any of them are set, check the blacklist and clear the lot */ if ((cpu_has(c, X86_FEATURE_SPEC_CTRL) || diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 83c6cd2..37ac4af 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -134,7 +134,7 @@ static u32 intel_cpuid_vfm(void) return IFM(fam, model); } -static u32 intel_get_platform_id(void) +u32 intel_get_platform_id(void) { unsigned int val[2]; ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/cpu: Add platform ID to CPU info structure 2026-03-04 18:10 ` [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure Dave Hansen 2026-03-05 2:26 ` Pawan Gupta 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen @ 2026-03-05 20:28 ` tip-bot2 for Dave Hansen [not found] ` <20260306004923.ln6ai2zl23gjsdov@desk> 3 siblings, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 20:28 UTC (permalink / raw) To: linux-tip-commits Cc: Dave Hansen, Sohil Mehta, Pawan Gupta, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: d8630b67ca1edeea728dbb309b09d239e9db6bdf Gitweb: https://git.kernel.org/tip/d8630b67ca1edeea728dbb309b09d239e9db6bdf Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:20 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 12:25:32 -08:00 x86/cpu: Add platform ID to CPU info structure The end goal here is to be able to do x86_match_cpu() and match on a specific platform ID. While it would be possible to stash this ID off somewhere or read it dynamically, that approaches would not be consistent with the other fields which can be matched. Read the platform ID and store it in cpuinfo_x86. There are lots of sites to set this new field. Place it near the place c->microcode is established since the platform ID is so closely intertwined with microcode updates. Note: This should not grow the size of 'struct cpuinfo_x86' in practice since the u8 fits next to another u8 in the structure. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Link: https://patch.msgid.link/20260304181020.8D518228@davehans-spike.ostc.intel.com --- arch/x86/include/asm/microcode.h | 2 ++ arch/x86/include/asm/processor.h | 5 +++++ arch/x86/kernel/cpu/intel.c | 1 + arch/x86/kernel/cpu/microcode/intel.c | 2 +- 4 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h index 8b41f26..3c317d1 100644 --- a/arch/x86/include/asm/microcode.h +++ b/arch/x86/include/asm/microcode.h @@ -61,6 +61,8 @@ static inline int intel_microcode_get_datasize(struct microcode_header_intel *hd return hdr->datasize ? : DEFAULT_UCODE_DATASIZE; } +extern u32 intel_get_platform_id(void); + static inline u32 intel_get_microcode_revision(void) { u32 rev, dummy; diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index a24c780..10b5355 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -140,6 +140,11 @@ struct cpuinfo_x86 { __u32 x86_vfm; }; __u8 x86_stepping; + union { + // MSR_IA32_PLATFORM_ID[52-50] + __u8 intel_platform_id; + __u8 amd_unused; + }; #ifdef CONFIG_X86_64 /* Number of 4K pages in DTLB/ITLB combined(in pages): */ int x86_tlbsize; diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 646ff33..f28c0ef 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -205,6 +205,7 @@ static void early_init_intel(struct cpuinfo_x86 *c) if (c->x86 >= 6 && !cpu_has(c, X86_FEATURE_IA64)) c->microcode = intel_get_microcode_revision(); + c->intel_platform_id = intel_get_platform_id(); /* Now if any of them are set, check the blacklist and clear the lot */ if ((cpu_has(c, X86_FEATURE_SPEC_CTRL) || diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 83c6cd2..37ac4af 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -134,7 +134,7 @@ static u32 intel_cpuid_vfm(void) return IFM(fam, model); } -static u32 intel_get_platform_id(void) +u32 intel_get_platform_id(void) { unsigned int val[2]; ^ permalink raw reply [flat|nested] 21+ messages in thread
[parent not found: <20260306004923.ln6ai2zl23gjsdov@desk>]
* Re: [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure [not found] ` <20260306004923.ln6ai2zl23gjsdov@desk> @ 2026-03-06 0:56 ` Pawan Gupta 0 siblings, 0 replies; 21+ messages in thread From: Pawan Gupta @ 2026-03-06 0:56 UTC (permalink / raw) To: linux-kernel, sohil.mehta, zhao1.liu, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 On Thu, Mar 05, 2026 at 04:49:29PM -0800, Pawan Gupta wrote: > On Wed, Mar 04, 2026 at 10:10:20AM -0800, Dave Hansen wrote: > > > > From: Dave Hansen <dave.hansen@linux.intel.com> > > > > The end goal here is to be able to do x86_match_cpu() and match on a > > specific platform ID. While it would be possible to stash this ID > > off somewhere or read it dynamically, that approaches would not be > > consistent with the other fields which can be matched. > > > > Read the platform ID and store it in cpuinfo_x86. > > > > There are lots of sites to set this new field. Place it near > > the place c->microcode is established since the platform ID is > > so closely intertwined with microcode updates. > > > > Note: This should not grow the size of 'struct cpuinfo_x86' in > > practice since the u8 fits next to another u8 in the structure. > > > > Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> > > Reviewed-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Nevermind, this was already reviewed and merged. ^ permalink raw reply [flat|nested] 21+ messages in thread
* [PATCH v4 3/4] x86/cpu: Add platform ID to CPU matching structure 2026-03-04 18:10 [PATCH v4 0/4] x86/cpu: Take Intel platform into account for old microcode checks Dave Hansen 2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen 2026-03-04 18:10 ` [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure Dave Hansen @ 2026-03-04 18:10 ` Dave Hansen 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 2026-03-04 18:10 ` [PATCH v4 4/4] x86/microcode: Add platform mask to Intel microcode "old" list Dave Hansen 3 siblings, 2 replies; 21+ messages in thread From: Dave Hansen @ 2026-03-04 18:10 UTC (permalink / raw) To: linux-kernel Cc: sohil.mehta, zhao1.liu, Dave Hansen, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Pawan Gupta, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 From: Dave Hansen <dave.hansen@linux.intel.com> The existing x86_match_cpu() infrastructure can be used to match a bunch of attributes of a CPU: vendor, family, model, steppings and CPU features. But, there's one more attribute that's missing and unable to be matched against: the platform ID, enumerated on Intel CPUs in MSR_IA32_PLATFORM_ID. It is a little more obscure and is only queried during microcode loading. This is because Intel sometimes has CPUs with identical family/model/stepping but which need different microcode. These CPUs are differentiated with the platform ID. Add a field in 'struct x86_cpu_id' for the platform ID. Similar to the stepping field, make the new field a mask of platform IDs. Some examples: 0x01: matches only platform ID 0x0 0x02: matches only platform ID 0x1 0x03: matches platform IDs 0x0 or 0x1 0x80: matches only platform ID 0x7 0xff: matches all 8 possible platform IDs Since the mask is only a byte wide, it nestles in next to another u8 and does not even increase the size of 'struct x86_cpu_id'. Reserve the all 0's value as the wildcard (X86_PLATFORM_ANY). This avoids forcing changes to existing 'struct x86_cpu_id' users. They can just continue to fill the field with 0's and their matching will work exactly as before. Note: If someone is ever looking for space in 'struct x86_cpu_id', this new field could probably get stuck over in ->driver_data for the one user that there is. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Cc: Thomas Gleixner <tglx@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: x86@kernel.org Cc: Jon Kohler <jon@nutanix.com> --- b/arch/x86/kernel/cpu/match.c | 3 +++ b/include/linux/mod_devicetable.h | 2 ++ 2 files changed, 5 insertions(+) diff -puN arch/x86/kernel/cpu/match.c~platform-match arch/x86/kernel/cpu/match.c --- a/arch/x86/kernel/cpu/match.c~platform-match 2026-02-24 15:37:22.556290868 -0800 +++ b/arch/x86/kernel/cpu/match.c 2026-02-24 15:37:22.561291110 -0800 @@ -76,6 +76,9 @@ const struct x86_cpu_id *x86_match_cpu(c if (m->steppings != X86_STEPPING_ANY && !(BIT(c->x86_stepping) & m->steppings)) continue; + if (m->platform_mask != X86_PLATFORM_ANY && + !(BIT(c->intel_platform_id) & m->platform_mask)) + continue; if (m->feature != X86_FEATURE_ANY && !cpu_has(c, m->feature)) continue; if (!x86_match_vendor_cpu_type(c, m)) diff -puN include/linux/mod_devicetable.h~platform-match include/linux/mod_devicetable.h --- a/include/linux/mod_devicetable.h~platform-match 2026-02-24 15:37:22.558290965 -0800 +++ b/include/linux/mod_devicetable.h 2026-02-24 15:37:22.561291110 -0800 @@ -692,6 +692,7 @@ struct x86_cpu_id { __u16 feature; /* bit index */ /* Solely for kernel-internal use: DO NOT EXPORT to userspace! */ __u16 flags; + __u8 platform_mask; __u8 type; kernel_ulong_t driver_data; }; @@ -703,6 +704,7 @@ struct x86_cpu_id { #define X86_STEPPING_ANY 0 #define X86_STEP_MIN 0 #define X86_STEP_MAX 0xf +#define X86_PLATFORM_ANY 0x0 #define X86_FEATURE_ANY 0 /* Same as FPU, you can't test for that */ #define X86_CPU_TYPE_ANY 0 _ ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/cpu: Add platform ID to CPU matching structure 2026-03-04 18:10 ` [PATCH v4 3/4] x86/cpu: Add platform ID to CPU matching structure Dave Hansen @ 2026-03-05 19:07 ` tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 1 sibling, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 19:07 UTC (permalink / raw) To: linux-tip-commits; +Cc: Dave Hansen, Sohil Mehta, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: c44b68639703434c52e4838f5080f0a02a2acaa6 Gitweb: https://git.kernel.org/tip/c44b68639703434c52e4838f5080f0a02a2acaa6 Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:22 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 10:41:30 -08:00 x86/cpu: Add platform ID to CPU matching structure The existing x86_match_cpu() infrastructure can be used to match a bunch of attributes of a CPU: vendor, family, model, steppings and CPU features. But, there's one more attribute that's missing and unable to be matched against: the platform ID, enumerated on Intel CPUs in MSR_IA32_PLATFORM_ID. It is a little more obscure and is only queried during microcode loading. This is because Intel sometimes has CPUs with identical family/model/stepping but which need different microcode. These CPUs are differentiated with the platform ID. Add a field in 'struct x86_cpu_id' for the platform ID. Similar to the stepping field, make the new field a mask of platform IDs. Some examples: 0x01: matches only platform ID 0x0 0x02: matches only platform ID 0x1 0x03: matches platform IDs 0x0 or 0x1 0x80: matches only platform ID 0x7 0xff: matches all 8 possible platform IDs Since the mask is only a byte wide, it nestles in next to another u8 and does not even increase the size of 'struct x86_cpu_id'. Reserve the all 0's value as the wildcard (X86_PLATFORM_ANY). This avoids forcing changes to existing 'struct x86_cpu_id' users. They can just continue to fill the field with 0's and their matching will work exactly as before. Note: If someone is ever looking for space in 'struct x86_cpu_id', this new field could probably get stuck over in ->driver_data for the one user that there is. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Link: https://patch.msgid.link/20260304181022.058DF07C@davehans-spike.ostc.intel.com --- arch/x86/kernel/cpu/match.c | 3 +++ include/linux/mod_devicetable.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c index 6af1e8b..4604802 100644 --- a/arch/x86/kernel/cpu/match.c +++ b/arch/x86/kernel/cpu/match.c @@ -76,6 +76,9 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match) if (m->steppings != X86_STEPPING_ANY && !(BIT(c->x86_stepping) & m->steppings)) continue; + if (m->platform_mask != X86_PLATFORM_ANY && + !(BIT(c->intel_platform_id) & m->platform_mask)) + continue; if (m->feature != X86_FEATURE_ANY && !cpu_has(c, m->feature)) continue; if (!x86_match_vendor_cpu_type(c, m)) diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 5b1725f..23ff240 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -691,6 +691,7 @@ struct x86_cpu_id { __u16 feature; /* bit index */ /* Solely for kernel-internal use: DO NOT EXPORT to userspace! */ __u16 flags; + __u8 platform_mask; __u8 type; kernel_ulong_t driver_data; }; @@ -702,6 +703,7 @@ struct x86_cpu_id { #define X86_STEPPING_ANY 0 #define X86_STEP_MIN 0 #define X86_STEP_MAX 0xf +#define X86_PLATFORM_ANY 0x0 #define X86_FEATURE_ANY 0 /* Same as FPU, you can't test for that */ #define X86_CPU_TYPE_ANY 0 ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/cpu: Add platform ID to CPU matching structure 2026-03-04 18:10 ` [PATCH v4 3/4] x86/cpu: Add platform ID to CPU matching structure Dave Hansen 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen @ 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 1 sibling, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 20:28 UTC (permalink / raw) To: linux-tip-commits; +Cc: Dave Hansen, Sohil Mehta, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: fab0c75d500fd23de6ea1b30e44635418a6dae65 Gitweb: https://git.kernel.org/tip/fab0c75d500fd23de6ea1b30e44635418a6dae65 Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:22 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 12:25:38 -08:00 x86/cpu: Add platform ID to CPU matching structure The existing x86_match_cpu() infrastructure can be used to match a bunch of attributes of a CPU: vendor, family, model, steppings and CPU features. But, there's one more attribute that's missing and unable to be matched against: the platform ID, enumerated on Intel CPUs in MSR_IA32_PLATFORM_ID. It is a little more obscure and is only queried during microcode loading. This is because Intel sometimes has CPUs with identical family/model/stepping but which need different microcode. These CPUs are differentiated with the platform ID. Add a field in 'struct x86_cpu_id' for the platform ID. Similar to the stepping field, make the new field a mask of platform IDs. Some examples: 0x01: matches only platform ID 0x0 0x02: matches only platform ID 0x1 0x03: matches platform IDs 0x0 or 0x1 0x80: matches only platform ID 0x7 0xff: matches all 8 possible platform IDs Since the mask is only a byte wide, it nestles in next to another u8 and does not even increase the size of 'struct x86_cpu_id'. Reserve the all 0's value as the wildcard (X86_PLATFORM_ANY). This avoids forcing changes to existing 'struct x86_cpu_id' users. They can just continue to fill the field with 0's and their matching will work exactly as before. Note: If someone is ever looking for space in 'struct x86_cpu_id', this new field could probably get stuck over in ->driver_data for the one user that there is. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Link: https://patch.msgid.link/20260304181022.058DF07C@davehans-spike.ostc.intel.com --- arch/x86/kernel/cpu/match.c | 3 +++ include/linux/mod_devicetable.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c index 6af1e8b..4604802 100644 --- a/arch/x86/kernel/cpu/match.c +++ b/arch/x86/kernel/cpu/match.c @@ -76,6 +76,9 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match) if (m->steppings != X86_STEPPING_ANY && !(BIT(c->x86_stepping) & m->steppings)) continue; + if (m->platform_mask != X86_PLATFORM_ANY && + !(BIT(c->intel_platform_id) & m->platform_mask)) + continue; if (m->feature != X86_FEATURE_ANY && !cpu_has(c, m->feature)) continue; if (!x86_match_vendor_cpu_type(c, m)) diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 5b1725f..23ff240 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -691,6 +691,7 @@ struct x86_cpu_id { __u16 feature; /* bit index */ /* Solely for kernel-internal use: DO NOT EXPORT to userspace! */ __u16 flags; + __u8 platform_mask; __u8 type; kernel_ulong_t driver_data; }; @@ -702,6 +703,7 @@ struct x86_cpu_id { #define X86_STEPPING_ANY 0 #define X86_STEP_MIN 0 #define X86_STEP_MAX 0xf +#define X86_PLATFORM_ANY 0x0 #define X86_FEATURE_ANY 0 /* Same as FPU, you can't test for that */ #define X86_CPU_TYPE_ANY 0 ^ permalink raw reply [flat|nested] 21+ messages in thread
* [PATCH v4 4/4] x86/microcode: Add platform mask to Intel microcode "old" list 2026-03-04 18:10 [PATCH v4 0/4] x86/cpu: Take Intel platform into account for old microcode checks Dave Hansen ` (2 preceding siblings ...) 2026-03-04 18:10 ` [PATCH v4 3/4] x86/cpu: Add platform ID to CPU matching structure Dave Hansen @ 2026-03-04 18:10 ` Dave Hansen 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 3 siblings, 2 replies; 21+ messages in thread From: Dave Hansen @ 2026-03-04 18:10 UTC (permalink / raw) To: linux-kernel Cc: sohil.mehta, zhao1.liu, Dave Hansen, Borislav Petkov, H. Peter Anvin, Ingo Molnar, Jon Kohler, Pawan Gupta, Peter Zijlstra (Intel), Thomas Gleixner, Tony Luck, x86 From: Dave Hansen <dave.hansen@linux.intel.com> Intel sometimes has CPUs with identical family/model/stepping but which need different microcode. These CPUs are differentiated with the platform ID. The Intel "microcode-20250512" release was used to generate the existing contents of intel-ucode-defs.h. Use that same release and add the platform mask to the definitions. This makes the list a few entries longer because some CPUs previously that shared a definition now need two or more. for example for the ancient Pentium III there are two CPUs that differ only in their platform and have two different microcode versions (note: .driver_data is the microcode version): { ..., .model = 0x05, .steppings = 0x0001, .platform_mask = 0x01, .driver_data = 0x40 }, { ..., .model = 0x05, .steppings = 0x0001, .platform_mask = 0x08, .driver_data = 0x45 }, Another example is the state-of-the-art Granite Rapids: { ..., .model = 0xad, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xa0000d1 }, { ..., .model = 0xad, .steppings = 0x0002, .platform_mask = 0x95, .driver_data = 0x10003a2 }, As you can see, this differentiation with platform ID has been necessary for a long time and is still relevant today. Without the platform matching, the old microcode table is incomplete. For instance, it might lead someone with a Pentium III, platform 0x0, and microcode 0x40 to think that they should have microcode 0x45, which is really only for platform 0x4 (.platform_mask==0x08). In practice, this meant that folks with fully updated microcode were seeing "Vulnerable" in the "old_microcode" file. 1. https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Reported-by: Jon Kohler <jon@nutanix.com> Closes: https://lore.kernel.org/all/38660F8F-499E-48CD-B58B-4822228A5941@nutanix.com/ Fixes: 4e2c719782a8 ("x86/cpu: Help users notice when running old Intel microcode") Tested-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/all/3ECBB974-C6F0-47A7-94B6-3646347F1CC2@nutanix.com/ Cc: Thomas Gleixner <tglx@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: x86@kernel.org --- b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h | 398 ++++++++++++--------- 1 file changed, 238 insertions(+), 160 deletions(-) diff -puN arch/x86/kernel/cpu/microcode/intel-ucode-defs.h~add-platform-to-defs arch/x86/kernel/cpu/microcode/intel-ucode-defs.h --- a/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h~add-platform-to-defs 2026-03-04 09:15:34.085808797 -0800 +++ b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h 2026-03-04 09:15:34.099809330 -0800 @@ -1,160 +1,238 @@ -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x03, .steppings = 0x0004, .driver_data = 0x2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0001, .driver_data = 0x45 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0002, .driver_data = 0x40 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .driver_data = 0x2c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .driver_data = 0x10 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0001, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0020, .driver_data = 0x3 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0400, .driver_data = 0xd }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .driver_data = 0x7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0002, .driver_data = 0x14 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0004, .driver_data = 0x38 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0008, .driver_data = 0x2e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .driver_data = 0x11 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0008, .driver_data = 0x8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0040, .driver_data = 0xc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0400, .driver_data = 0x5 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x09, .steppings = 0x0020, .driver_data = 0x47 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0001, .driver_data = 0x3 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0002, .driver_data = 0x1 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, .driver_data = 0x2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0d, .steppings = 0x0040, .driver_data = 0x18 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x0100, .driver_data = 0x39 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x1000, .driver_data = 0x59 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0004, .driver_data = 0x5d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0040, .driver_data = 0xd2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0080, .driver_data = 0x6b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0400, .driver_data = 0x95 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .driver_data = 0xbc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x2000, .driver_data = 0xa4 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x16, .steppings = 0x0002, .driver_data = 0x44 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0040, .driver_data = 0x60f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0080, .driver_data = 0x70a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0400, .driver_data = 0xa0b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1a, .steppings = 0x0010, .driver_data = 0x12 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1a, .steppings = 0x0020, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1c, .steppings = 0x0004, .driver_data = 0x219 }, -{ .flags = 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+{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x1000, .platform_mask = 0x22, .driver_data = 0xf8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x2000, .platform_mask = 0x22, .driver_data = 0x104 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0004, .platform_mask = 0x20, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0008, .platform_mask = 0x22, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0020, .platform_mask = 0x22, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0001, .platform_mask = 0x80, .driver_data = 0x102 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0002, .platform_mask = 0x80, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa7, .steppings = 0x0002, .platform_mask = 0x02, .driver_data = 0x64 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaa, .steppings = 0x0010, .platform_mask = 0xe6, .driver_data = 0x24 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xa0000d1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .platform_mask = 0x95, .driver_data = 0x10003a2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaf, .steppings = 0x0008, .platform_mask = 0x01, .driver_data = 0x3000341 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb5, .steppings = 0x0001, .platform_mask = 0x80, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0002, .platform_mask = 0x32, .driver_data = 0x12f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0010, .platform_mask = 0x32, .driver_data = 0x12f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0004, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0008, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0100, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbd, .steppings = 0x0002, .platform_mask = 0x80, .driver_data = 0x11f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbe, .steppings = 0x0001, .platform_mask = 0x19, .driver_data = 0x1d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0004, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0020, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0040, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0080, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc5, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0010, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xca, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0002, .platform_mask = 0x87, .driver_data = 0x210002a9 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0004, .platform_mask = 0x87, .driver_data = 0x210002a9 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .platform_mask = 0x01, .driver_data = 0x12 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .platform_mask = 0x02, .driver_data = 0x8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x01, .driver_data = 0x13 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x02, .driver_data = 0x15 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x04, .driver_data = 0x14 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x01, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x02, .driver_data = 0x1f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x04, .driver_data = 0x1e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x10, .driver_data = 0x21 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x01, .driver_data = 0x29 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x02, .driver_data = 0x2a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x04, .driver_data = 0x2b }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x10, .driver_data = 0x2c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0040, .platform_mask = 0x02, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x02, .driver_data = 0x38 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x04, .driver_data = 0x37 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x08, .driver_data = 0x39 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x02, .driver_data = 0x2d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x08, .driver_data = 0x2f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0004, .platform_mask = 0x0d, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0008, .platform_mask = 0x0d, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0010, .platform_mask = 0x1d, .driver_data = 0x17 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .platform_mask = 0x02, .driver_data = 0x16 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .platform_mask = 0xbd, .driver_data = 0x17 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0008, .platform_mask = 0x9d, .driver_data = 0x5 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0010, .platform_mask = 0x9d, .driver_data = 0x6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0080, .platform_mask = 0x9d, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x01, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x02, .driver_data = 0xe }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x5f, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0200, .platform_mask = 0xbd, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .platform_mask = 0x5c, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .platform_mask = 0x5d, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0xf }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .platform_mask = 0x01, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .platform_mask = 0x34, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0020, .platform_mask = 0x01, .driver_data = 0x8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0100, .platform_mask = 0x22, .driver_data = 0x9 }, _ ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/microcode: Add platform mask to Intel microcode "old" list 2026-03-04 18:10 ` [PATCH v4 4/4] x86/microcode: Add platform mask to Intel microcode "old" list Dave Hansen @ 2026-03-05 19:07 ` tip-bot2 for Dave Hansen 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 1 sibling, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 19:07 UTC (permalink / raw) To: linux-tip-commits Cc: Jon Kohler, Dave Hansen, Sohil Mehta, Zhao Liu, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: c0a436e379e235762d6cdff63c292a85659863a3 Gitweb: https://git.kernel.org/tip/c0a436e379e235762d6cdff63c292a85659863a3 Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:24 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 10:41:30 -08:00 x86/microcode: Add platform mask to Intel microcode "old" list Intel sometimes has CPUs with identical family/model/stepping but which need different microcode. These CPUs are differentiated with the platform ID. The Intel "microcode-20250512" release was used to generate the existing contents of intel-ucode-defs.h. Use that same release and add the platform mask to the definitions. This makes the list a few entries longer because some CPUs previously that shared a definition now need two or more. for example for the ancient Pentium III there are two CPUs that differ only in their platform and have two different microcode versions (note: .driver_data is the microcode version): { ..., .model = 0x05, .steppings = 0x0001, .platform_mask = 0x01, .driver_data = 0x40 }, { ..., .model = 0x05, .steppings = 0x0001, .platform_mask = 0x08, .driver_data = 0x45 }, Another example is the state-of-the-art Granite Rapids: { ..., .model = 0xad, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xa0000d1 }, { ..., .model = 0xad, .steppings = 0x0002, .platform_mask = 0x95, .driver_data = 0x10003a2 }, As you can see, this differentiation with platform ID has been necessary for a long time and is still relevant today. Without the platform matching, the old microcode table is incomplete. For instance, it might lead someone with a Pentium III, platform 0x0, and microcode 0x40 to think that they should have microcode 0x45, which is really only for platform 0x4 (.platform_mask==0x08). In practice, this meant that folks with fully updated microcode were seeing "Vulnerable" in the "old_microcode" file. 1. https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files Closes: https://lore.kernel.org/all/38660F8F-499E-48CD-B58B-4822228A5941@nutanix.com/ Fixes: 4e2c719782a8 ("x86/cpu: Help users notice when running old Intel microcode") Reported-by: Jon Kohler <jon@nutanix.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Tested-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/all/3ECBB974-C6F0-47A7-94B6-3646347F1CC2@nutanix.com/ Link: https://patch.msgid.link/20260304181024.76E3F038@davehans-spike.ostc.intel.com --- arch/x86/kernel/cpu/microcode/intel-ucode-defs.h | 398 ++++++++------ 1 file changed, 238 insertions(+), 160 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h index 2d48e65..72c8809 100644 --- a/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h +++ b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h @@ -1,160 +1,238 @@ -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x03, .steppings = 0x0004, .driver_data = 0x2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0001, .driver_data = 0x45 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0002, .driver_data = 0x40 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .driver_data = 0x2c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .driver_data = 0x10 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0001, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0020, .driver_data = 0x3 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0400, .driver_data = 0xd }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .driver_data = 0x7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0002, .driver_data = 0x14 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0004, .driver_data = 0x38 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0008, .driver_data = 0x2e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .driver_data = 0x11 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0008, .driver_data = 0x8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0040, .driver_data = 0xc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0400, .driver_data = 0x5 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x09, .steppings = 0x0020, .driver_data = 0x47 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0001, .driver_data = 0x3 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0002, .driver_data = 0x1 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, .driver_data = 0x2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0d, .steppings = 0x0040, .driver_data = 0x18 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x0100, .driver_data = 0x39 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x1000, .driver_data = 0x59 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0004, .driver_data = 0x5d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0040, .driver_data = 0xd2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0080, .driver_data = 0x6b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0400, .driver_data = 0x95 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .driver_data = 0xbc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x2000, .driver_data = 0xa4 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x16, .steppings = 0x0002, .driver_data = 0x44 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0040, .driver_data = 0x60f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0080, .driver_data = 0x70a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0400, .driver_data = 0xa0b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1a, .steppings = 0x0010, .driver_data = 0x12 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1a, .steppings = 0x0020, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1c, .steppings = 0x0004, .driver_data = 0x219 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1c, .steppings = 0x0400, .driver_data = 0x107 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1d, .steppings = 0x0002, .driver_data = 0x29 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1e, .steppings = 0x0020, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x25, .steppings = 0x0004, .driver_data = 0x11 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x25, .steppings = 0x0020, .driver_data = 0x7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x26, .steppings = 0x0002, .driver_data = 0x105 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2a, .steppings = 0x0080, .driver_data = 0x2f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2c, .steppings = 0x0004, .driver_data = 0x1f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2d, .steppings = 0x0040, .driver_data = 0x621 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2d, .steppings = 0x0080, .driver_data = 0x71a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2e, .steppings = 0x0040, .driver_data = 0xd }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2f, .steppings = 0x0004, .driver_data = 0x3b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x37, .steppings = 0x0100, .driver_data = 0x838 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x37, .steppings = 0x0200, .driver_data = 0x90d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3a, .steppings = 0x0200, .driver_data = 0x21 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3c, .steppings = 0x0008, .driver_data = 0x28 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3d, .steppings = 0x0010, .driver_data = 0x2f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3e, .steppings = 0x0010, .driver_data = 0x42e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3e, .steppings = 0x0040, .driver_data = 0x600 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3e, .steppings = 0x0080, .driver_data = 0x715 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3f, .steppings = 0x0004, .driver_data = 0x49 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3f, .steppings = 0x0010, .driver_data = 0x1a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x45, .steppings = 0x0002, .driver_data = 0x26 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x46, .steppings = 0x0002, .driver_data = 0x1c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x47, .steppings = 0x0002, .driver_data = 0x22 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4c, .steppings = 0x0008, .driver_data = 0x368 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4c, .steppings = 0x0010, .driver_data = 0x411 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4d, .steppings = 0x0100, .driver_data = 0x12d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4e, .steppings = 0x0008, .driver_data = 0xf0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0008, .driver_data = 0x1000191 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0010, .driver_data = 0x2007006 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0020, .driver_data = 0x3000010 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0080, .driver_data = 0x5003901 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0800, .driver_data = 0x7002b01 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0004, .driver_data = 0x1c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0008, .driver_data = 0x700001c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0010, .driver_data = 0xf00001a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0020, .driver_data = 0xe000015 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5c, .steppings = 0x0004, .driver_data = 0x14 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5c, .steppings = 0x0200, .driver_data = 0x48 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5c, .steppings = 0x0400, .driver_data = 0x28 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5e, .steppings = 0x0008, .driver_data = 0xf0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5f, .steppings = 0x0002, .driver_data = 0x3e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x66, .steppings = 0x0008, .driver_data = 0x2a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x6a, .steppings = 0x0020, .driver_data = 0xc0002f0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x6a, .steppings = 0x0040, .driver_data = 0xd000404 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x6c, .steppings = 0x0002, .driver_data = 0x10002d0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x7a, .steppings = 0x0002, .driver_data = 0x42 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x7a, .steppings = 0x0100, .driver_data = 0x26 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x7e, .steppings = 0x0020, .driver_data = 0xca }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8a, .steppings = 0x0002, .driver_data = 0x33 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8c, .steppings = 0x0002, .driver_data = 0xbc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8c, .steppings = 0x0004, .driver_data = 0x3c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8d, .steppings = 0x0002, .driver_data = 0x56 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x0200, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x0400, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x0800, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x1000, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0010, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0020, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0040, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0080, .driver_data = 0x2b000639 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0100, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x96, .steppings = 0x0002, .driver_data = 0x1a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x97, .steppings = 0x0004, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x97, .steppings = 0x0020, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0008, .driver_data = 0x437 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0010, .driver_data = 0x437 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9c, .steppings = 0x0001, .driver_data = 0x24000026 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0200, .driver_data = 0xf8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0400, .driver_data = 0xfa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0800, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x1000, .driver_data = 0xf8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x2000, .driver_data = 0x104 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0004, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0008, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0020, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0001, .driver_data = 0x102 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0002, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa7, .steppings = 0x0002, .driver_data = 0x64 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaa, .steppings = 0x0010, .driver_data = 0x24 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .driver_data = 0xa0000d1 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaf, .steppings = 0x0008, .driver_data = 0x3000341 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb5, .steppings = 0x0001, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0002, .driver_data = 0x12f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0010, .driver_data = 0x12f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0004, .driver_data = 0x4128 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0008, .driver_data = 0x4128 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0100, .driver_data = 0x4128 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbd, .steppings = 0x0002, .driver_data = 0x11f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbe, .steppings = 0x0001, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0004, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0020, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0040, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0080, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc5, .steppings = 0x0004, .driver_data = 0x118 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0004, .driver_data = 0x118 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0010, .driver_data = 0x118 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xca, .steppings = 0x0004, .driver_data = 0x118 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0002, .driver_data = 0x210002a9 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0004, .driver_data = 0x210002a9 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .driver_data = 0x12 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .driver_data = 0x15 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x01, .steppings = 0x0004, .driver_data = 0x2e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .driver_data = 0x21 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .driver_data = 0x2c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0040, .driver_data = 0x10 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, 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0x05, .steppings = 0x0002, .platform_mask = 0x01, .driver_data = 0x40 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .platform_mask = 0x01, .driver_data = 0x2a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .platform_mask = 0x02, .driver_data = 0x2c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x2b }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .platform_mask = 0x01, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .platform_mask = 0x02, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, 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= 0x0400, .platform_mask = 0x20, .driver_data = 0xb }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .platform_mask = 0x02, .driver_data = 0x5 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .platform_mask = 0x08, .driver_data = 0x6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .platform_mask = 0x20, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0002, .platform_mask = 0x04, .driver_data = 0x14 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x38 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0008, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x01, .driver_data = 0xd }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x04, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x08, .driver_data = 0xf }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x10, .driver_data = 0x11 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xe }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0008, 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.platform_mask = 0x80, .driver_data = 0x47 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0001, .platform_mask = 0x04, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0002, .platform_mask = 0x04, .driver_data = 0x1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .platform_mask = 0x10, .driver_data = 0x1c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0x1d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, .platform_mask = 0x10, .driver_data = 0x1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, .platform_mask = 0x20, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0d, .steppings = 0x0040, .platform_mask = 0x20, .driver_data = 0x18 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x0100, .platform_mask = 0x20, .driver_data = 0x39 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x1000, .platform_mask = 0x20, .driver_data = 0x54 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x1000, .platform_mask = 0x80, .driver_data = 0x59 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0004, .platform_mask = 0x01, .driver_data = 0x5d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0004, 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.platform_mask = 0x80, .driver_data = 0x95 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .platform_mask = 0x01, .driver_data = 0xba }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .platform_mask = 0x04, .driver_data = 0xbc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .platform_mask = 0x08, .driver_data = 0xbb }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .platform_mask = 0x10, .driver_data = 0xba }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .platform_mask = 0x20, .driver_data = 0xba }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, 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X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x97, .steppings = 0x0004, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x97, .steppings = 0x0020, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0008, .platform_mask = 0x80, .driver_data = 0x437 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0010, .platform_mask = 0x40, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0010, .platform_mask = 0x80, .driver_data = 0x437 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9c, .steppings = 0x0001, .platform_mask = 0x01, .driver_data = 0x24000026 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0200, .platform_mask = 0x2a, .driver_data = 0xf8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0400, .platform_mask = 0x22, .driver_data = 0xfa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0800, .platform_mask = 0x02, .driver_data = 0xf6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x1000, .platform_mask = 0x22, .driver_data = 0xf8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x2000, .platform_mask = 0x22, .driver_data = 0x104 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0004, .platform_mask = 0x20, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0008, .platform_mask = 0x22, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0020, .platform_mask = 0x22, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0001, .platform_mask = 0x80, .driver_data = 0x102 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0002, .platform_mask = 0x80, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa7, .steppings = 0x0002, .platform_mask = 0x02, .driver_data = 0x64 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaa, .steppings = 0x0010, .platform_mask = 0xe6, .driver_data = 0x24 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xa0000d1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .platform_mask = 0x95, .driver_data = 0x10003a2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaf, .steppings = 0x0008, .platform_mask = 0x01, .driver_data = 0x3000341 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb5, .steppings = 0x0001, .platform_mask = 0x80, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0002, .platform_mask = 0x32, .driver_data = 0x12f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0010, .platform_mask = 0x32, .driver_data = 0x12f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0004, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0008, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0100, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbd, .steppings = 0x0002, .platform_mask = 0x80, .driver_data = 0x11f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbe, .steppings = 0x0001, .platform_mask = 0x19, .driver_data = 0x1d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0004, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0020, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0040, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0080, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc5, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0010, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xca, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0002, .platform_mask = 0x87, .driver_data = 0x210002a9 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0004, .platform_mask = 0x87, .driver_data = 0x210002a9 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .platform_mask = 0x01, .driver_data = 0x12 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .platform_mask = 0x02, .driver_data = 0x8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x01, .driver_data = 0x13 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x02, .driver_data = 0x15 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x04, .driver_data = 0x14 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x01, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x02, .driver_data = 0x1f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x04, .driver_data = 0x1e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x10, .driver_data = 0x21 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x01, .driver_data = 0x29 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x02, .driver_data = 0x2a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x04, .driver_data = 0x2b }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x10, .driver_data = 0x2c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0040, .platform_mask = 0x02, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x02, .driver_data = 0x38 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x04, .driver_data = 0x37 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x08, .driver_data = 0x39 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x02, .driver_data = 0x2d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x08, .driver_data = 0x2f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0004, .platform_mask = 0x0d, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0008, .platform_mask = 0x0d, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0010, .platform_mask = 0x1d, .driver_data = 0x17 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .platform_mask = 0x02, .driver_data = 0x16 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .platform_mask = 0xbd, .driver_data = 0x17 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0008, .platform_mask = 0x9d, .driver_data = 0x5 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0010, .platform_mask = 0x9d, .driver_data = 0x6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0080, .platform_mask = 0x9d, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x01, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x02, .driver_data = 0xe }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x5f, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0200, .platform_mask = 0xbd, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .platform_mask = 0x5c, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .platform_mask = 0x5d, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0xf }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .platform_mask = 0x01, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .platform_mask = 0x34, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0020, .platform_mask = 0x01, .driver_data = 0x8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0100, .platform_mask = 0x22, .driver_data = 0x9 }, ^ permalink raw reply [flat|nested] 21+ messages in thread
* [tip: x86/microcode] x86/microcode: Add platform mask to Intel microcode "old" list 2026-03-04 18:10 ` [PATCH v4 4/4] x86/microcode: Add platform mask to Intel microcode "old" list Dave Hansen 2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen @ 2026-03-05 20:28 ` tip-bot2 for Dave Hansen 1 sibling, 0 replies; 21+ messages in thread From: tip-bot2 for Dave Hansen @ 2026-03-05 20:28 UTC (permalink / raw) To: linux-tip-commits Cc: Jon Kohler, Dave Hansen, Sohil Mehta, Zhao Liu, x86, linux-kernel The following commit has been merged into the x86/microcode branch of tip: Commit-ID: 7989c39341348e3507282d88a564cb20d83a0829 Gitweb: https://git.kernel.org/tip/7989c39341348e3507282d88a564cb20d83a0829 Author: Dave Hansen <dave.hansen@linux.intel.com> AuthorDate: Wed, 04 Mar 2026 10:10:24 -08:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Thu, 05 Mar 2026 12:25:45 -08:00 x86/microcode: Add platform mask to Intel microcode "old" list Intel sometimes has CPUs with identical family/model/stepping but which need different microcode. These CPUs are differentiated with the platform ID. The Intel "microcode-20250512" release was used to generate the existing contents of intel-ucode-defs.h. Use that same release and add the platform mask to the definitions. This makes the list a few entries longer because some CPUs previously that shared a definition now need two or more. for example for the ancient Pentium III there are two CPUs that differ only in their platform and have two different microcode versions (note: .driver_data is the microcode version): { ..., .model = 0x05, .steppings = 0x0001, .platform_mask = 0x01, .driver_data = 0x40 }, { ..., .model = 0x05, .steppings = 0x0001, .platform_mask = 0x08, .driver_data = 0x45 }, Another example is the state-of-the-art Granite Rapids: { ..., .model = 0xad, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xa0000d1 }, { ..., .model = 0xad, .steppings = 0x0002, .platform_mask = 0x95, .driver_data = 0x10003a2 }, As you can see, this differentiation with platform ID has been necessary for a long time and is still relevant today. Without the platform matching, the old microcode table is incomplete. For instance, it might lead someone with a Pentium III, platform 0x0, and microcode 0x40 to think that they should have microcode 0x45, which is really only for platform 0x4 (.platform_mask==0x08). In practice, this meant that folks with fully updated microcode were seeing "Vulnerable" in the "old_microcode" file. 1. https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files Closes: https://lore.kernel.org/all/38660F8F-499E-48CD-B58B-4822228A5941@nutanix.com/ Fixes: 4e2c719782a8 ("x86/cpu: Help users notice when running old Intel microcode") Reported-by: Jon Kohler <jon@nutanix.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Sohil Mehta <sohil.mehta@intel.com> Tested-by: Zhao Liu <zhao1.liu@intel.com> Link: https://lore.kernel.org/all/3ECBB974-C6F0-47A7-94B6-3646347F1CC2@nutanix.com/ Link: https://patch.msgid.link/20260304181024.76E3F038@davehans-spike.ostc.intel.com --- arch/x86/kernel/cpu/microcode/intel-ucode-defs.h | 398 ++++++++------ 1 file changed, 238 insertions(+), 160 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h index 2d48e65..72c8809 100644 --- a/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h +++ b/arch/x86/kernel/cpu/microcode/intel-ucode-defs.h @@ -1,160 +1,238 @@ -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x03, .steppings = 0x0004, .driver_data = 0x2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0001, .driver_data = 0x45 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0002, .driver_data = 0x40 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .driver_data = 0x2c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .driver_data = 0x10 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0001, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0020, .driver_data = 0x3 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x0400, .driver_data = 0xd }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .driver_data = 0x7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0002, .driver_data = 0x14 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0004, .driver_data = 0x38 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0008, .driver_data = 0x2e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .driver_data = 0x11 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0008, .driver_data = 0x8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0040, .driver_data = 0xc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0400, .driver_data = 0x5 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x09, .steppings = 0x0020, .driver_data = 0x47 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0001, .driver_data = 0x3 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0002, .driver_data = 0x1 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, .driver_data = 0x2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0d, .steppings = 0x0040, .driver_data = 0x18 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x0100, .driver_data = 0x39 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0e, .steppings = 0x1000, .driver_data = 0x59 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0004, .driver_data = 0x5d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0040, .driver_data = 0xd2 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0080, .driver_data = 0x6b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0400, .driver_data = 0x95 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0800, .driver_data = 0xbc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x2000, .driver_data = 0xa4 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x16, .steppings = 0x0002, .driver_data = 0x44 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0040, .driver_data = 0x60f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0080, .driver_data = 0x70a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x17, .steppings = 0x0400, .driver_data = 0xa0b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1a, .steppings = 0x0010, .driver_data = 0x12 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1a, .steppings = 0x0020, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1c, .steppings = 0x0004, .driver_data = 0x219 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1c, .steppings = 0x0400, .driver_data = 0x107 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1d, .steppings = 0x0002, .driver_data = 0x29 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x1e, .steppings = 0x0020, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x25, .steppings = 0x0004, .driver_data = 0x11 }, 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}, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x2f, .steppings = 0x0004, .driver_data = 0x3b }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x37, .steppings = 0x0100, .driver_data = 0x838 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x37, .steppings = 0x0200, .driver_data = 0x90d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3a, .steppings = 0x0200, .driver_data = 0x21 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3c, .steppings = 0x0008, .driver_data = 0x28 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3d, .steppings = 0x0010, .driver_data = 0x2f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3e, .steppings = 0x0010, .driver_data = 0x42e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3e, .steppings = 0x0040, .driver_data = 0x600 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3e, .steppings = 0x0080, .driver_data = 0x715 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3f, .steppings = 0x0004, .driver_data = 0x49 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x3f, .steppings = 0x0010, .driver_data = 0x1a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x45, .steppings = 0x0002, .driver_data = 0x26 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x46, .steppings = 0x0002, .driver_data = 0x1c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x47, .steppings = 0x0002, .driver_data = 0x22 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4c, .steppings = 0x0008, .driver_data = 0x368 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4c, .steppings = 0x0010, .driver_data = 0x411 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4d, .steppings = 0x0100, .driver_data = 0x12d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x4e, .steppings = 0x0008, .driver_data = 0xf0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0008, .driver_data = 0x1000191 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0010, .driver_data = 0x2007006 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0020, .driver_data = 0x3000010 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0080, .driver_data = 0x5003901 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x55, .steppings = 0x0800, .driver_data = 0x7002b01 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0004, .driver_data = 0x1c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0008, .driver_data = 0x700001c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0010, .driver_data = 0xf00001a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x56, .steppings = 0x0020, .driver_data = 0xe000015 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5c, .steppings = 0x0004, .driver_data = 0x14 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5c, .steppings = 0x0200, .driver_data = 0x48 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5c, .steppings = 0x0400, .driver_data = 0x28 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5e, .steppings = 0x0008, .driver_data = 0xf0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x5f, .steppings = 0x0002, .driver_data = 0x3e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x66, .steppings = 0x0008, .driver_data = 0x2a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x6a, .steppings = 0x0020, .driver_data = 0xc0002f0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x6a, .steppings = 0x0040, .driver_data = 0xd000404 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x6c, .steppings = 0x0002, .driver_data = 0x10002d0 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x7a, .steppings = 0x0002, .driver_data = 0x42 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x7a, .steppings = 0x0100, .driver_data = 0x26 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x7e, .steppings = 0x0020, .driver_data = 0xca }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8a, .steppings = 0x0002, .driver_data = 0x33 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8c, .steppings = 0x0002, .driver_data = 0xbc }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8c, .steppings = 0x0004, .driver_data = 0x3c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8d, .steppings = 0x0002, .driver_data = 0x56 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x0200, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x0400, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x0800, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8e, .steppings = 0x1000, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0010, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0020, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0040, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0080, .driver_data = 0x2b000639 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x8f, .steppings = 0x0100, .driver_data = 0x2c0003f7 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x96, .steppings = 0x0002, .driver_data = 0x1a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x97, .steppings = 0x0004, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x97, .steppings = 0x0020, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0008, .driver_data = 0x437 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9a, .steppings = 0x0010, .driver_data = 0x437 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9c, .steppings = 0x0001, .driver_data = 0x24000026 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0200, .driver_data = 0xf8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0400, .driver_data = 0xfa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0800, .driver_data = 0xf6 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x1000, .driver_data = 0xf8 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x2000, .driver_data = 0x104 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0004, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0008, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0020, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0001, .driver_data = 0x102 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0002, .driver_data = 0x100 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa7, .steppings = 0x0002, .driver_data = 0x64 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaa, .steppings = 0x0010, .driver_data = 0x24 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .driver_data = 0xa0000d1 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaf, .steppings = 0x0008, .driver_data = 0x3000341 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb5, .steppings = 0x0001, .driver_data = 0xa }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0002, .driver_data = 0x12f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0010, .driver_data = 0x12f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0004, .driver_data = 0x4128 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0008, .driver_data = 0x4128 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0100, .driver_data = 0x4128 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbd, .steppings = 0x0002, .driver_data = 0x11f }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbe, .steppings = 0x0001, .driver_data = 0x1d }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0004, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0020, .driver_data = 0x3a }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family 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X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0004, .driver_data = 0x210002a9 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .driver_data = 0x12 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .driver_data = 0x15 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x01, .steppings = 0x0004, .driver_data = 0x2e }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .driver_data = 0x21 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .driver_data = 0x2c }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0040, .driver_data = 0x10 }, -{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, 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0x05, .steppings = 0x0002, .platform_mask = 0x01, .driver_data = 0x40 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .platform_mask = 0x01, .driver_data = 0x2a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .platform_mask = 0x02, .driver_data = 0x2c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x2b }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .platform_mask = 0x01, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, .steppings = 0x0008, .platform_mask = 0x02, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x05, 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= 0x0400, .platform_mask = 0x20, .driver_data = 0xb }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .platform_mask = 0x02, .driver_data = 0x5 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .platform_mask = 0x08, .driver_data = 0x6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x06, .steppings = 0x2000, .platform_mask = 0x20, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0002, .platform_mask = 0x04, .driver_data = 0x14 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x38 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x07, .steppings = 0x0008, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x01, .driver_data = 0xd }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x04, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x08, .driver_data = 0xf }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x10, .driver_data = 0x11 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xe }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0008, 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.platform_mask = 0x80, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0400, .platform_mask = 0x10, .driver_data = 0x1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0400, .platform_mask = 0x20, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x08, .steppings = 0x0400, .platform_mask = 0x80, .driver_data = 0x5 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x09, .steppings = 0x0020, .platform_mask = 0x10, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x09, .steppings = 0x0020, .platform_mask = 0x20, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x09, .steppings = 0x0020, .platform_mask = 0x80, .driver_data = 0x47 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0001, .platform_mask = 0x04, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0a, .steppings = 0x0002, .platform_mask = 0x04, .driver_data = 0x1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .platform_mask = 0x10, .driver_data = 0x1c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0x1d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, .platform_mask = 0x10, .driver_data = 0x1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0b, .steppings = 0x0010, 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.platform_mask = 0x20, .driver_data = 0x5c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0040, .platform_mask = 0x01, .driver_data = 0xd0 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0040, .platform_mask = 0x04, .driver_data = 0xd2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0040, .platform_mask = 0x20, .driver_data = 0xd1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0080, .platform_mask = 0x10, .driver_data = 0x6a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0080, .platform_mask = 0x40, .driver_data = 0x6b }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x0f, .steppings = 0x0400, 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= X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0200, .platform_mask = 0x2a, .driver_data = 0xf8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0400, .platform_mask = 0x22, .driver_data = 0xfa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x0800, .platform_mask = 0x02, .driver_data = 0xf6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x1000, .platform_mask = 0x22, .driver_data = 0xf8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0x9e, .steppings = 0x2000, .platform_mask = 0x22, .driver_data = 0x104 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0004, .platform_mask = 0x20, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0008, .platform_mask = 0x22, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa5, .steppings = 0x0020, .platform_mask = 0x22, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0001, .platform_mask = 0x80, .driver_data = 0x102 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa6, .steppings = 0x0002, .platform_mask = 0x80, .driver_data = 0x100 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xa7, .steppings = 0x0002, .platform_mask = 0x02, .driver_data = 0x64 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaa, .steppings = 0x0010, .platform_mask = 0xe6, .driver_data = 0x24 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .platform_mask = 0x20, .driver_data = 0xa0000d1 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xad, .steppings = 0x0002, .platform_mask = 0x95, .driver_data = 0x10003a2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xaf, .steppings = 0x0008, .platform_mask = 0x01, .driver_data = 0x3000341 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb5, .steppings = 0x0001, .platform_mask = 0x80, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0002, .platform_mask = 0x32, .driver_data = 0x12f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xb7, .steppings = 0x0010, .platform_mask = 0x32, .driver_data = 0x12f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0004, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0008, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xba, .steppings = 0x0100, .platform_mask = 0xe0, .driver_data = 0x4128 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbd, .steppings = 0x0002, .platform_mask = 0x80, .driver_data = 0x11f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbe, .steppings = 0x0001, .platform_mask = 0x19, .driver_data = 0x1d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0004, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0020, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0040, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xbf, .steppings = 0x0080, .platform_mask = 0x07, .driver_data = 0x3a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc5, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xc6, .steppings = 0x0010, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xca, .steppings = 0x0004, .platform_mask = 0x82, .driver_data = 0x118 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0002, .platform_mask = 0x87, .driver_data = 0x210002a9 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0x6, .model = 0xcf, .steppings = 0x0004, .platform_mask = 0x87, .driver_data = 0x210002a9 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .platform_mask = 0x01, .driver_data = 0x12 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0080, .platform_mask = 0x02, .driver_data = 0x8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x01, .driver_data = 0x13 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x02, .driver_data = 0x15 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x00, .steppings = 0x0400, .platform_mask = 0x04, .driver_data = 0x14 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x01, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x02, .driver_data = 0x1f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x04, .driver_data = 0x1e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0010, .platform_mask = 0x10, .driver_data = 0x21 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x01, .driver_data = 0x29 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x02, .driver_data = 0x2a }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x04, .driver_data = 0x2b }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0020, .platform_mask = 0x10, .driver_data = 0x2c }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0040, .platform_mask = 0x02, .driver_data = 0x10 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x02, .driver_data = 0x38 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x04, .driver_data = 0x37 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0080, .platform_mask = 0x08, .driver_data = 0x39 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x02, .driver_data = 0x2d }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x04, .driver_data = 0x2e }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x02, .steppings = 0x0200, .platform_mask = 0x08, .driver_data = 0x2f }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0004, .platform_mask = 0x0d, .driver_data = 0xa }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0008, .platform_mask = 0x0d, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x03, .steppings = 0x0010, .platform_mask = 0x1d, .driver_data = 0x17 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .platform_mask = 0x02, .driver_data = 0x16 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0002, .platform_mask = 0xbd, .driver_data = 0x17 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0008, .platform_mask = 0x9d, .driver_data = 0x5 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0010, .platform_mask = 0x9d, .driver_data = 0x6 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0080, .platform_mask = 0x9d, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x01, .driver_data = 0xc }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x02, .driver_data = 0xe }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0100, .platform_mask = 0x5f, .driver_data = 0x7 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0200, .platform_mask = 0xbd, .driver_data = 0x3 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .platform_mask = 0x5c, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x04, .steppings = 0x0400, .platform_mask = 0x5d, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0004, .platform_mask = 0x04, .driver_data = 0xf }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .platform_mask = 0x01, .driver_data = 0x2 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0010, .platform_mask = 0x34, .driver_data = 0x4 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0020, .platform_mask = 0x01, .driver_data = 0x8 }, +{ .flags = X86_CPU_ID_FLAG_ENTRY_VALID, .vendor = X86_VENDOR_INTEL, .family = 0xf, .model = 0x06, .steppings = 0x0100, .platform_mask = 0x22, .driver_data = 0x9 }, ^ permalink raw reply [flat|nested] 21+ messages in thread
end of thread, other threads:[~2026-03-06 0:56 UTC | newest]
Thread overview: 21+ messages (download: mbox.gz / follow: Atom feed)
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2026-03-04 18:10 [PATCH v4 0/4] x86/cpu: Take Intel platform into account for old microcode checks Dave Hansen
2026-03-04 18:10 ` [PATCH v4 1/4] x86/microcode: Refactor platform ID enumeration into a helper Dave Hansen
2026-03-05 1:38 ` Pawan Gupta
2026-03-05 6:28 ` Sohil Mehta
2026-03-05 18:01 ` Pawan Gupta
2026-03-05 18:37 ` Dave Hansen
2026-03-05 13:16 ` Borislav Petkov
2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen
2026-03-05 20:28 ` tip-bot2 for Dave Hansen
2026-03-04 18:10 ` [PATCH v4 2/4] x86/cpu: Add platform ID to CPU info structure Dave Hansen
2026-03-05 2:26 ` Pawan Gupta
2026-03-05 18:39 ` Dave Hansen
2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen
2026-03-05 20:28 ` tip-bot2 for Dave Hansen
[not found] ` <20260306004923.ln6ai2zl23gjsdov@desk>
2026-03-06 0:56 ` [PATCH v4 2/4] " Pawan Gupta
2026-03-04 18:10 ` [PATCH v4 3/4] x86/cpu: Add platform ID to CPU matching structure Dave Hansen
2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen
2026-03-05 20:28 ` tip-bot2 for Dave Hansen
2026-03-04 18:10 ` [PATCH v4 4/4] x86/microcode: Add platform mask to Intel microcode "old" list Dave Hansen
2026-03-05 19:07 ` [tip: x86/microcode] " tip-bot2 for Dave Hansen
2026-03-05 20:28 ` tip-bot2 for Dave Hansen
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