linux-kernel - Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error trace event

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Message-ID: <20130812123813.GD18018@pd.tnic>
Date:	Mon, 12 Aug 2013 14:38:13 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Mauro Carvalho Chehab <m.chehab@...sung.com>
Cc:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
	tony.luck@...el.com, bhelgaas@...gle.com, rostedt@...dmis.org,
	rjw@...k.pl, lance.ortiz@...com, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] mce: acpi/apei: trace: Enable ghes memory error
 trace event

On Mon, Aug 12, 2013 at 08:33:55AM -0300, Mauro Carvalho Chehab wrote:
> APEI is just the mechanism that collects the data, not the mechanism
> that reports to userspace.

Both methods add a tracepoint - no difference.

> I really don't see any sense on adding yet-another-way to report the
> very same error.

Well, your suggested way through the layers is this:

Hardware->APEI->EDAC.

His is

Hardware->APEI.

If I can lose the EDAC layer, then this is a clear win.

-- 
Regards/Gruss,
    Boris.

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