From: Dave Jones <davej@redhat.com>
To: Michel D?nzer <michel@daenzer.net>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org,
dri-devel@lists.sourceforge.net
Subject: Re: [Dri-devel] [PATCH] cpu_relax whilst in busy-wait loops.
Date: Wed, 13 Aug 2003 13:13:22 +0100 [thread overview]
Message-ID: <20030813121322.GE12953@redhat.com> (raw)
In-Reply-To: <1060770126.26452.142.camel@thor.holligenstrasse29.lan>
On Wed, Aug 13, 2003 at 12:22:06PM +0200, Michel D?nzer wrote:
> > - while ( GAMMA_READ(GAMMA_INFIFOSPACE) < 2);
> > + while ( GAMMA_READ(GAMMA_INFIFOSPACE) < 2)
> > + cpu_relax();
>
> Are you actually using the gamma driver? :) Something like this might be
> useful in other drivers as well?
No, I just stumbled across this, and remembered seeing a similar
patch some time earlier. Indeed, there are probably other places in
DRI that need the same treatment.
Dave
--
Dave Jones http://www.codemonkey.org.uk
prev parent reply other threads:[~2003-08-13 12:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-11 13:40 [PATCH] cpu_relax whilst in busy-wait loops davej
2003-08-13 10:22 ` [Dri-devel] " Michel Dänzer
2003-08-13 12:13 ` Dave Jones [this message]
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