linux-kernel - Re: [PATCH 2/3] relay: Fix race condition which occurs when reading across CPUs.

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Message-Id: <1213678374.8259.29.camel@charm-linux>
Date:	Mon, 16 Jun 2008 23:52:53 -0500
From:	Tom Zanussi <tzanussi@...il.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	akpm@...ux-foundation.org, compudj@...stal.dyndns.org,
	linux-kernel@...r.kernel.org, righi.andrea@...il.com
Subject: Re: [PATCH 2/3] relay: Fix race condition which occurs when
	reading across CPUs.


Hi Pekka,

On Mon, 2008-06-16 at 09:19 +0300, Pekka Enberg wrote:
> Hi Tom,
> 
> On Mon, Jun 16, 2008 at 8:38 AM, Tom Zanussi <tzanussi@...il.com> wrote:
> > So I guess I don't have strong feelings about it if it's solving a real
> > usability problem and doesn't cause any performance (or other)
> > regressions.
> 
> Is there some standard performance test for relayfs that we could use
> to verify this?

Not that I know of, so probably showing how it would affect/not affect
read and relay_write users with some before/after comparisons would have
to do.

Tom


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