From: tip-bot for Borislav Petkov <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: peterz@infradead.org, torvalds@linux-foundation.org,
tglx@linutronix.de, hpa@zytor.com, bp@suse.de, mingo@kernel.org,
linux-kernel@vger.kernel.org, tony.luck@intel.com
Subject: [tip:ras/core] x86/mce: Reuse one of the u16 padding fields in ' struct mce'
Date: Thu, 13 Aug 2015 03:45:51 -0700 [thread overview]
Message-ID: <tip-20d51a426fe9a0d0a63cc3a7488f621c8bac37e1@git.kernel.org> (raw)
In-Reply-To: <1439396985-12812-2-git-send-email-bp@alien8.de>
Commit-ID: 20d51a426fe9a0d0a63cc3a7488f621c8bac37e1
Gitweb: http://git.kernel.org/tip/20d51a426fe9a0d0a63cc3a7488f621c8bac37e1
Author: Borislav Petkov <bp@suse.de>
AuthorDate: Wed, 12 Aug 2015 18:29:33 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 13 Aug 2015 10:12:50 +0200
x86/mce: Reuse one of the u16 padding fields in 'struct mce'
... to save the error severity of the MCE and whether the
reported address of the error is usable.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1439396985-12812-2-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/include/uapi/asm/mce.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/uapi/asm/mce.h b/arch/x86/include/uapi/asm/mce.h
index a0eab85..76880ed 100644
--- a/arch/x86/include/uapi/asm/mce.h
+++ b/arch/x86/include/uapi/asm/mce.h
@@ -15,7 +15,8 @@ struct mce {
__u64 time; /* wall time_t when error was detected */
__u8 cpuvendor; /* cpu vendor as encoded in system.h */
__u8 inject_flags; /* software inject flags */
- __u16 pad;
+ __u8 severity;
+ __u8 usable_addr;
__u32 cpuid; /* CPUID 1 EAX */
__u8 cs; /* code segment */
__u8 bank; /* machine check bank */
next prev parent reply other threads:[~2015-08-13 10:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-12 16:29 [PATCH 00/13] x86/RAS queue for 4.3 Borislav Petkov
2015-08-12 16:29 ` [PATCH 01/13] x86/mce: Reuse one of the u16 padding fields in struct mce Borislav Petkov
2015-08-13 10:45 ` tip-bot for Borislav Petkov [this message]
2015-08-12 16:29 ` [PATCH 02/13] x86/mce: Provide a lockless memory pool to save error records Borislav Petkov
2015-08-13 10:46 ` [tip:ras/core] " tip-bot for Chen, Gong
2015-08-12 16:29 ` [PATCH 03/13] x86/mce: Don't use percpu workqueues Borislav Petkov
2015-08-13 10:46 ` [tip:ras/core] " tip-bot for Chen, Gong
2015-08-12 16:29 ` [PATCH 04/13] x86/mce: Remove the MCE ring for Action Optional errors Borislav Petkov
2015-08-13 10:47 ` [tip:ras/core] " tip-bot for Chen, Gong
2015-08-12 16:29 ` [PATCH 05/13] x86/mce: Avoid potential deadlock due to printk() in MCE context Borislav Petkov
2015-08-13 10:47 ` [tip:ras/core] " tip-bot for Chen, Gong
2015-08-12 16:29 ` [PATCH 06/13] x86/mce: Kill drain_mcelog_buffer() Borislav Petkov
2015-08-13 10:47 ` [tip:ras/core] " tip-bot for Borislav Petkov
2015-08-12 16:29 ` [PATCH 07/13] x86/mce: Remove unused function declarations Borislav Petkov
2015-08-13 10:48 ` [tip:ras/core] " tip-bot for Ashok Raj
2015-08-12 16:29 ` [PATCH 08/13] x86/mce: Clear Local MCE opt-in before kexec Borislav Petkov
2015-08-13 10:48 ` [tip:ras/core] " tip-bot for Ashok Raj
2015-08-12 16:29 ` [PATCH 09/13] x86/mce: Reenable CMCI banks when swiching back to interrupt mode Borislav Petkov
2015-08-13 10:48 ` [tip:ras/core] " tip-bot for Xie XiuQi
2015-08-12 16:29 ` [PATCH 10/13] RAS: Add a menuconfig option with descriptive text Borislav Petkov
2015-08-13 10:49 ` [tip:ras/core] " tip-bot for Borislav Petkov
2015-08-12 16:29 ` [PATCH 11/13] x86/mce: Rename rcu_dereference_check_mce() to mce_log_get_idx_check() Borislav Petkov
2015-08-13 10:49 ` [tip:ras/core] " tip-bot for Borislav Petkov
2015-08-12 16:29 ` [PATCH 12/13] x86/mce: Add a wrapper around mce_log() for injection Borislav Petkov
2015-08-13 10:49 ` [tip:ras/core] " tip-bot for Borislav Petkov
2015-08-12 16:29 ` [PATCH 13/13] x86/ras: Move AMD MCE injector to arch/x86/ras/ Borislav Petkov
2015-08-13 10:50 ` [tip:ras/core] " tip-bot for Borislav Petkov
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