linux-kernel - Re: [PATCH 7/8] ACPI, APEI, CPER: Cleanup CPER memory error output format

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Message-ID: <20131014184717.GK4009@pd.tnic>
Date:	Mon, 14 Oct 2013 20:47:17 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Tony Luck <tony.luck@...il.com>
Cc:	Chen Gong <gong.chen@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-acpi <linux-acpi@...r.kernel.org>,
	Lance Ortiz <lance.ortiz@...com>,
	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Subject: Re: [PATCH 7/8] ACPI, APEI, CPER: Cleanup CPER memory error output
 format

On Mon, Oct 14, 2013 at 10:12:35AM -0700, Tony Luck wrote:
> This is an excellent idea - if the full data is being logged via
> TRACE, then we can drop to virtually nothing on the console (just have
> something similar to the "Machine check events logged" message so that
> people will get a tip that they might want to go dig into other logs).
> Maybe something like: %d corrected memory errors\n", count [rate
> limited]
>
> But we'd have to make sure that the existing user(s) of this code also
> have a TRACE path.

It is basically the same idea as with the ras daemon - if we have a
userspace consumer of ras trace events, we disable dmesg output. So the
decision will be left to the userspace tool to disable dmesg output as a
last step of its initialization.

-- 
Regards/Gruss,
    Boris.

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