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| author | Ashok Raj <ashok.raj@intel.com> | 2015-06-04 19:55:23 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-06-07 16:33:14 +0300 |
| commit | 88d538672ea26223bca08225bc49f4e65e71683d (patch) | |
| tree | 761f76fde5b1ec05a9f83a57d36f9f75591651db /Documentation/x86/x86_64 | |
| parent | bc12edb8739be10fae9f86691a3708d36d00b4f8 (diff) | |
| download | linux-88d538672ea26223bca08225bc49f4e65e71683d.tar.xz | |
x86/mce: Add infrastructure to support Local MCE
Initialize and prepare for handling LMCEs. Add a boot-time
option to disable LMCEs.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
[ Simplify stuff, align statements for better readability, reflow comments; kill
unused lmce_clear(); save us an MSR write if LMCE is already enabled. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
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>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1433436928-31903-16-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/x86/x86_64')
| -rw-r--r-- | Documentation/x86/x86_64/boot-options.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index 5223479291a2..68ed3114c363 100644 --- a/Documentation/x86/x86_64/boot-options.txt +++ b/Documentation/x86/x86_64/boot-options.txt @@ -31,6 +31,9 @@ Machine check (e.g. BIOS or hardware monitoring applications), conflicting with OS's error handling, and you cannot deactivate the agent, then this option will be a help. + mce=no_lmce + Do not opt-in to Local MCE delivery. Use legacy method + to broadcast MCEs. mce=bootlog Enable logging of machine checks left over from booting. Disabled by default on AMD because some BIOS leave bogus ones. |