From: Keith Owens <kaos@sgi.com>
To: Andi Kleen <ak@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>,
Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.16-rc6-mm2
Date: Tue, 13 Jun 2006 15:08:40 +1000 [thread overview]
Message-ID: <10021.1150175320@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Tue, 13 Jun 2006 06:56:45 +0200." <200606130656.45511.ak@suse.de>
Andi Kleen (on Tue, 13 Jun 2006 06:56:45 +0200) wrote:
>
>> I have previously suggested a lightweight solution that pins a process
>> to a cpu
>
>That is preempt_disable()/preempt_enable() effectively
>It's also light weight as much as these things can be.
The difference being that preempt_disable() does not allow the code to
sleep. There are some places where we want to use cpu local data and
the code can tolerate preemption and even sleeping, as long as the
process schedules back on the same cpu.
next prev parent reply other threads:[~2006-06-13 5:09 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-10 4:40 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 10:23 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 16:24 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 16:43 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 16:51 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 17:03 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 18:04 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 18:14 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 18:31 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 18:35 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-12 11:05 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 11:48 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 12:14 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-12 13:07 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 13:41 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 3:28 ` 2.6.16-rc6-mm2 Keith Owens
2006-06-13 4:56 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 5:08 ` Keith Owens [this message]
2006-06-13 5:18 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 5:43 ` 2.6.16-rc6-mm2 Nick Piggin
2006-06-13 5:48 ` 2.6.16-rc6-mm2 Andi Kleen
2006-06-13 11:45 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 12:41 ` 2.6.16-rc6-mm2 Keith Owens
2006-06-12 16:37 ` broken local_t on i386 Christoph Lameter
2006-06-12 16:48 ` Andi Kleen
2006-06-12 16:54 ` Christoph Lameter
2006-06-12 17:06 ` Andi Kleen
2006-06-12 17:11 ` Christoph Lameter
2006-06-12 17:29 ` Andi Kleen
2006-06-12 18:14 ` Lee Revell
2006-06-12 18:46 ` Alan Cox
2006-06-12 18:27 ` Christoph Lameter
2006-06-12 17:35 ` Andi Kleen
2006-06-12 18:42 ` Christoph Lameter
2006-06-12 17:55 ` Andi Kleen
2006-06-12 18:59 ` Christoph Lameter
2006-06-12 18:11 ` Andi Kleen
2006-06-12 19:15 ` Christoph Lameter
2006-06-13 3:36 ` Andi Kleen
2006-06-12 20:12 ` Alan Cox
2006-06-13 4:02 ` Andi Kleen
2006-06-12 13:50 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-12 14:20 ` 2.6.16-rc6-mm2 Ingo Molnar
2006-06-12 14:57 ` 2.6.16-rc6-mm2 Michal Piotrowski
[not found] ` <6bffcb0e0606101126v55cc20dbk275d8aa7fdcb0f1a@mail.gmail.com>
2006-06-10 18:36 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-10 19:08 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 16:58 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 14:56 ` 2.6.16-rc6-mm2 Martin J. Bligh
2006-06-10 16:43 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-10 16:18 ` 2.6.16-rc6-mm2 Dominik Karall
2006-06-10 16:25 ` 2.6.16-rc6-mm2 Michal Piotrowski
2006-06-10 17:42 ` 2.6.16-rc6-mm2 Dominik Karall
2006-06-10 18:43 ` 2.6.16-rc6-mm2 Rafael J. Wysocki
2006-06-11 10:17 ` 2.6.16-rc6-mm2 Jan Engelhardt
2006-06-11 10:58 ` 2.6.16-rc6-mm2 Rafael J. Wysocki
2006-06-12 16:56 ` 2.6.16-rc6-mm2 Zan Lynx
2006-06-12 17:35 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-12 22:16 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 0:24 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-14 21:56 ` 2.6.16-rc6-mm2 Trond Myklebust
2006-06-13 7:22 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-13 17:54 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 19:35 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 20:22 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-13 21:13 ` 2.6.16-rc6-mm2 Christoph Lameter
2006-06-13 21:50 ` 2.6.16-rc6-mm2 Cedric Le Goater
2006-06-12 18:19 ` 2.6.16-rc6-mm2 Badari Pulavarty
2006-06-13 13:54 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 17:04 ` 2.6.16-rc6-mm2 Badari Pulavarty
2006-06-12 22:09 ` 2.6.16-rc6-mm2 Steve Fox
2006-06-13 13:54 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 14:10 ` 2.6.16-rc6-mm2 Sergei Shtylyov
2006-06-13 19:01 ` 2.6.16-rc6-mm2 Steve Fox
2006-06-13 21:43 ` 2.6.16-rc6-mm2 Andrew Morton
2006-06-13 21:51 ` 2.6.16-rc6-mm2 Badari Pulavarty
2006-06-13 22:36 ` 2.6.16-rc6-mm2 Steve Fox
-- strict thread matches above, loose matches on Subject: below --
2006-03-18 12:40 2.6.16-rc6-mm2 Andrew Morton
2006-03-18 20:21 ` 2.6.16-rc6-mm2 Rafael J. Wysocki
2006-03-18 20:54 ` 2.6.16-rc6-mm2 Andrew Morton
2006-03-18 21:24 ` 2.6.16-rc6-mm2 Rafael J. Wysocki
2006-03-22 8:41 ` 2.6.16-rc6-mm2 J.A. Magallon
2006-03-22 8:48 ` 2.6.16-rc6-mm2 Andrew Morton
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