x86/mce: WARN once if IA32_FEAT_CTL MSR is left unlocked

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WARN if the IA32_FEAT_CTL MSR is somehow left unlocked now that CPU
initialization unconditionally locks the MSR.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20191221044513.21680-6-sean.j.christopherson@intel.com

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Sean Christopherson 2019-12-20 20:44:59 -08:00 • committed by Borislav Petkov

parent 1db2a6e1e2

commit 6d527cebfa

1 changed files with 6 additions and 5 deletions

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arch/x86/kernel/cpu/mce/intel.c

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