From: Andi Kleen <ak@suse.de>
To: Andreas Mohr <andi@rhlx01.fht-esslingen.de>
Cc: Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm] x86_64 apic.h cpu_relax() (was: [RFC -mm] more cpu_relax() places?)
Date: 14 Jun 2006 07:34:07 +0200 [thread overview]
Message-ID: <p73k67kqp0w.fsf@verdi.suse.de> (raw)
In-Reply-To: <20060613195430.GC24167@rhlx01.fht-esslingen.de>
Andreas Mohr <andi@rhlx01.fht-esslingen.de> writes:
> Hi all,
>
> On Mon, Jun 12, 2006 at 08:37:43PM +0200, Andreas Mohr wrote:
> > Hi all,
> >
> > while reviewing 2.6.17-rc6-mm1, I found some places that might
> > want to make use of cpu_relax() in order to not block secondary
> > pipelines while busy-polling (probably especially useful on SMT CPUs):
>
> Patch no. 3 of 3.
>
> This one is adding a cpu_relax() that already existed in the i386 version.
> Any reason this wasn't there, too?
>
> Signed-off-by: Andreas Mohr <andi@lisas.de>
I merged the patch thanks.
-Andi
next prev parent reply other threads:[~2006-06-14 5:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-12 18:37 [RFC -mm] more cpu_relax() places? Andreas Mohr
2006-06-13 19:53 ` [PATCH -mm] i386: cpu_relax() smp.c (was: [RFC -mm] more cpu_relax() places?) Andreas Mohr
2006-06-14 2:10 ` [PATCH -mm] i386: cpu_relax() smp.c Nick Piggin
2006-06-14 19:32 ` Andreas Mohr
2006-06-13 19:54 ` [PATCH -mm] ACPI lock: cpu_relax() (was: [RFC -mm] more cpu_relax() places?) Andreas Mohr
2006-06-14 19:29 ` Andreas Mohr
2006-06-13 19:54 ` [PATCH -mm] x86_64 apic.h " Andreas Mohr
2006-06-14 5:34 ` Andi Kleen [this message]
2007-06-14 20:28 ` [PATCH -mm] i386: add cpu_relax() to cmos_lock() Andreas Mohr
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