From: Andi Kleen <ak@suse.de>
To: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: FEATURE REQUEST: Specific Processor Optimizations on x86 Architecture
Date: 27 Oct 2003 22:15:06 +0100 [thread overview]
Message-ID: <p73brs29ycl.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.53.0310271603580.21953@montezuma.fsmlabs.com.suse.lists.linux.kernel>
Zwane Mwaikambo <zwane@arm.linux.org.uk> writes:
> On Mon, 27 Oct 2003, Andi Kleen wrote:
>
> > The wmb() change is not needed, unless you have an oostore CPU
> > (x86 has ordered writes by default). It probably does not hurt
> > neither though (I do it the same way on x86-64), but also doesn't
> > change anything.
>
> The original intent was to fix an SMP P5 system, it oopses otherwise under
> load.
That doesn't make any sense. P5 doesn't support SFENCE.
-Andi
next parent reply other threads:[~2003-11-18 13:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <JB3R.23s.23@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <JWKQ.7nS.15@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <LhtX.bs.15@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <LhtX.bs.13@gated-at.bofh.it.suse.lists.linux.kernel>
[not found] ` <m3k76qsf8i.fsf@averell.firstfloor.org.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.53.0310271603580.21953@montezuma.fsmlabs.com.suse.lists.linux.kernel>
2003-10-27 21:15 ` Andi Kleen [this message]
2003-11-18 14:28 ` Zwane Mwaikambo
[not found] <JB3R.23s.23@gated-at.bofh.it>
[not found] ` <JBn4.2xt.19@gated-at.bofh.it>
[not found] ` <JBPW.36x.3@gated-at.bofh.it>
2003-10-23 8:32 ` Ihar 'Philips' Filipau
2003-10-23 8:37 ` Ihar 'Philips' Filipau
[not found] ` <JWKQ.7nS.15@gated-at.bofh.it>
[not found] ` <LhtX.bs.15@gated-at.bofh.it>
[not found] ` <LhtX.bs.13@gated-at.bofh.it>
2003-10-27 18:33 ` Andi Kleen
2003-10-27 21:05 ` Zwane Mwaikambo
2003-10-22 12:55 Joseph D. Wagner
2003-10-23 0:12 ` Måns Rullgård
2003-10-22 13:26 ` Joseph D. Wagner
2003-10-23 0:37 ` Michael Rozhavsky
2003-10-23 0:15 ` Dave Jones
2003-10-22 13:47 ` Joseph D. Wagner
2003-10-23 1:02 ` Rik van Riel
2003-10-23 1:14 ` Joseph D. Wagner
2003-10-23 1:18 ` Rik van Riel
2003-10-23 9:26 ` Jan-Benedict Glaw
2003-10-23 9:35 ` Måns Rullgård
2003-10-23 1:06 ` Tim Hockin
2003-10-22 15:40 ` Joseph D. Wagner
2003-10-23 14:57 ` Rik van Riel
2003-10-23 1:23 ` Dave Jones
2003-10-22 15:35 ` Joseph D. Wagner
2003-10-23 2:52 ` William Lee Irwin III
2003-10-23 9:35 ` Jan-Benedict Glaw
2003-10-23 13:40 ` Jesse Pollard
2003-10-23 14:57 ` Charles Cazabon
2003-10-23 15:34 ` David Zaffiro
2003-10-23 17:26 ` Rob
2003-10-23 23:05 ` J.A. Magallon
2003-10-23 23:24 ` Nick Piggin
[not found] ` <200310241301.41230.ioe-lkml@rameria.de>
2003-10-27 15:20 ` J.A. Magallon
2003-10-27 20:52 ` Zwane Mwaikambo
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