Re: [PATCH v2 1/2] mce: acpi/apei: Honour Firmware First for MCAbanks listed in APEI HEST CMC

From: Borislav Petkov
Date: Fri Jun 21 2013 - 04:36:31 EST


On Fri, Jun 21, 2013 at 01:16:50PM +0530, Naveen N. Rao wrote:
> Yes, but I'm afraid this won't work either - mce_banks_owned is
> cleared during cpu offline. This is necessary since a cmci
> rediscover is triggered on cpu offline, so that if this bank is
> shared across cores, a different cpu can claim ownership of this
> bank.

What for? Sounds strange to me.

Anyway, the reason for which mce_banks_owned won't work is because it
is in mce_intel and we need a mce.c global bitfield for banks which are
excluded from CE handling.

So ok, I'm persuaded, yet another bitfield it is ... :-\

Thanks.

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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