x86/mce/AMD: Set MCAX Enable bit

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It is required for the OS to acknowledge that it is using the
MCAX register set and its associated fields by setting the
'McaXEnable' bit in each bank's MCi_CONFIG register. If it is
not set, then all UC errors will cause a system panic.

Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Borislav Petkov <bp@alien8.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>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1453750913-4781-9-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Aravind Gopalakrishnan 2016-01-25 20:41:53 +01:00 • committed by Ingo Molnar

parent 429893b16d

commit e6c8f1873b

2 changed files with 18 additions and 0 deletions

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4

arch/x86/include/asm/msr-index.h

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14

arch/x86/kernel/cpu/mcheck/mce_amd.c

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