Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory errortrace event

From: Borislav Petkov
Date: Thu Aug 15 2013 - 09:45:06 EST

On Thu, Aug 15, 2013 at 10:26:07AM -0300, Mauro Carvalho Chehab wrote:
> I mean that the edac core needs to know that, on a given system, the
> BIOS is accessing the hardware registers and sending the data via
> ghes_edac.

Right, that's the firmware-first thing which Naveen did - see

> No. As we want that fatal errors to also be properly reported, the
> kernel will still need to know the memory layout.

Read what I said: if you have the silkscreen label you don't need the
memory layout - you *already* *know* which DIMM is affected.

Also, fatal errors are a whole different beast where we run in NMI
context or we even don't get to run the #MC handler on some systems.


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