Messages in this thread | | | Date | Tue, 14 Nov 2017 10:51:39 -0800 | From | "Luck, Tony" <> | Subject | Re: [PATCH] x86/mce: add support SRAO reported via CMC check |
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On Tue, Nov 14, 2017 at 01:55:11PM +0800, Xie XiuQi wrote: > + /* known AO MCACODs reported via CMC: */ > + MCESEV( > + AO, "Action optional: memory scrubbing error", > + SER, MASK(MCI_UC_SAR|MCACOD_SCRUBMSK, MCI_STATUS_UC|MCACOD_SCRUB)
I think you should check for OVER=0 (as the existing AO cases do). If there was a patrol scrub reported by CMCI, and then another UC error, we can't safely treat this as an AO ... because we have no idea what the second UC error was.
-Tony
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