The first two just get better error messages when we refuse to recover from an error that the h/w says is recoverable because the error occurred in a non-recoverable part of the kernel.
The third improves identification of Skylake SKUs that support recovery. Tony Luck (3): x86/mce: Improve error message when kernel cannot recover. x86/mce: Fix incorrect "Machine check from unknown source" message x86/mce: Check for alternate indication of machine check recovery on Skylake arch/x86/kernel/cpu/mcheck/mce-severity.c | 5 +++++ arch/x86/kernel/cpu/mcheck/mce.c | 26 ++++++++++++++++------- arch/x86/kernel/quirks.c | 11 ++++++++-- 3 files changed, 32 insertions(+), 10 deletions(-) -- 2.17.0