x86/mce: Simplify AMD severity grading logic

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The MCE handler needs to understand the severity of the machine errors to
act accordingly. Simplify the AMD grading logic following a logic that
closely resembles the descriptions of the public PPR documents. This will
help include more fine-grained grading of errors in the future.

  [ bp: Touchups. ]

Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Link: https://lore.kernel.org/r/20220405183212.354606-2-carlos.bilbao@amd.com

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Carlos Bilbao 2022-04-05 13:32:13 -05:00 • committed by Borislav Petkov

parent e5f28623ce

commit 70c459d915

1 changed files with 36 additions and 65 deletions

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

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