On Mon, Mar 22, 2021 at 03:37:10PM -0700, Tony Luck wrote:
> From: Youquan Song <[email protected]>
>
> Skylake has a mode where the system administrator can use a BIOS setup
> option to request that the memory controller report uncorrected errors
> found by the patrol scrubber as corrected. This results in them being
> signalled using CMCI, which is less disruptive than a machine check.
>
> Add a quirk to detect that a "corrected" error is actually a downgraded
> uncorrected error with model specific checks for the "MSCOD" signature in
> MCi_STATUS and that the error was reported from a memory controller bank.
>
> Adjust the severity to MCE_AO_SEVERITY so that Linux will try to take
> the affected page offline.
>
> [Tony: Wordsmith commit comment]
>
> Signed-off-by: Youquan Song <[email protected]>
> Signed-off-by: Tony Luck <[email protected]>
>
> ---
> Repost ... looks like this got lost somewhere.
Yeah, into
fd258dc4442c ("x86/mce: Add Skylake quirk for patrol scrub reported errors")
:-)
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
