From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
To: pbonzini@redhat.com
Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Xiao Guangrong <guangrong.xiao@linux.intel.com>
Subject: [PATCH 2/9] KVM: x86: allow guest to use cflushopt anc clwb
Date: Fri, 21 Aug 2015 12:50:04 +0800 [thread overview]
Message-ID: <1440132611-26052-3-git-send-email-guangrong.xiao@linux.intel.com> (raw)
In-Reply-To: <1440132611-26052-1-git-send-email-guangrong.xiao@linux.intel.com>
Pass its CPU feature to guest to enable them in guest
These are needed by nvdimm drivers
The specification locates at:
https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
---
arch/x86/kvm/cpuid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 2fbea25..962fc7d 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -348,7 +348,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) |
F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) |
F(ADX) | F(SMAP) | F(AVX512F) | F(AVX512PF) | F(AVX512ER) |
- F(AVX512CD);
+ F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB);
/* cpuid 0xD.1.eax */
const u32 kvm_supported_word10_x86_features =
--
2.4.3
next prev parent reply other threads:[~2015-08-21 4:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-21 4:50 [PATCH 0/9] KVM: x86: enable cflushopt/clwb/pcommit and simplify code Xiao Guangrong
2015-08-21 4:50 ` [PATCH 1/9] KVM: MMU: fix use uninitialized value Xiao Guangrong
2015-08-21 4:50 ` Xiao Guangrong [this message]
2015-08-21 4:50 ` [PATCH 3/9] KVM: x86: add pcommit support Xiao Guangrong
2015-09-07 11:18 ` Paolo Bonzini
2015-09-08 14:17 ` Xiao Guangrong
2015-09-08 20:33 ` Paolo Bonzini
2015-08-21 4:50 ` [PATCH 4/9] KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02() Xiao Guangrong
2015-08-21 4:50 ` [PATCH 5/9] KVM: VMX: simplify rdtscp handling in vmx_cpuid_update() Xiao Guangrong
2015-08-21 4:50 ` [PATCH 6/9] KVM: VMX: simplify invpcid " Xiao Guangrong
2015-09-07 11:28 ` Paolo Bonzini
2015-09-08 14:18 ` Xiao Guangrong
2015-08-21 4:50 ` [PATCH 7/9] KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update Xiao Guangrong
2015-08-21 4:50 ` [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl() Xiao Guangrong
2015-09-07 11:27 ` Paolo Bonzini
2015-09-08 14:24 ` Xiao Guangrong
2015-09-08 20:32 ` Paolo Bonzini
2015-08-21 4:50 ` [PATCH 9/9] KVM: VMX: drop rdtscp_enabled field Xiao Guangrong
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