linux-kernel - Re: [PATCH] Re: [Patch] MCE, APEI: Don't enable CMCI when Firmware First mode is set in

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Date:	Mon, 17 Jun 2013 09:06:50 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"Naveen N. Rao" <naveen.n.rao@...il.com>
Cc:	"ananth@...ibm.com" <ananth@...ibm.com>,
	masbock@...ux.vnet.ibm.com, lcm@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	ying.huang@...el.com
Subject: Re: [PATCH] Re: [Patch] MCE, APEI: Don't enable CMCI when Firmware
 First mode is set in

On Mon, Jun 17, 2013 at 12:30:05PM +0530, Naveen N. Rao wrote:
> >Hmm, so if CMCI is not supported, you just disabled polling of this bank
> >and returned here. Not good.
> 
> This is on purpose. If the bank doesn't support CMCI and we were
> polling it earlier, we want to disable that. The firmware should be
> notifying us of error events in either case.

Not for corrected errors - for those we poll since the hardware doesn't
generate an exception for them.

Basically, the absence of CMCI support shouldn't change the old polling
behavior.

Thanks.

-- 
Regards/Gruss,
    Boris.

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