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

From: Borislav Petkov
Date: Mon Aug 12 2013 - 11:04:38 EST

On Mon, Aug 12, 2013 at 11:49:32AM -0300, Mauro Carvalho Chehab wrote:
> Clear win from what PoV? Userspace will need to decode a different type
> of tracing, and implement a different logic for APEI.

There's no different type of tracing - it is the same info as in both
cases it comes from APEI. And if it can be done in the APEI layer, then
we don't need the next layer.

> Also, if both ghes_edac and this new tracing is enabled, userspace
> will receive twice the same event, as two traces will be received for
> the same thing.

We are, of course, going to have only one tracepoint which reports
memory errors, not two.


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