From: Robert Love <rml@tech9.net>
To: "Shaheed R. Haque" <srhaque@iee.org>
Cc: linux-kernel@vger.kernel.org, thockin@isunix.it.ilstu.edu
Subject: Re: Re: Processor sets (pset) for linux kernel 2.5/2.6?
Date: 12 Apr 2003 16:02:31 -0400 [thread overview]
Message-ID: <1050177751.2291.468.camel@localhost> (raw)
In-Reply-To: <1050177383.3e986f67b7f68@netmail.pipex.net>
On Sat, 2003-04-12 at 15:56, Shaheed R. Haque wrote:
> Hmmm, AFAICS, sched_getaffinity() and sched_setaffinity()
> allow the calling process to be bound to the nominated CPU(s), but that is not
> the same as giving them exclusive access, is it? In other words, other
> processes which have no particualr affinity needs can presumably still be
> scheduled to run on the same processor.
>
> I am looking for something more akin to the patch I referred to...or did I miss
> something in the effect of set_cpus_allowed()?
We strive for simple interfaces here in Linux :)
If you want to give them exclusive access, you need to bind all the
other processes to the other processors. One easy way to do this is to
have init bind itself elsewhere on boot.
Robert Love
next prev parent reply other threads:[~2003-04-12 19:50 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-12 11:20 Processor sets (pset) for linux kernel 2.5/2.6? Shaheed R. Haque
2003-04-12 12:11 ` Dave Jones
2003-04-12 12:24 ` Antonio Vargas
2003-04-12 14:54 ` Martin J. Bligh
2003-04-12 18:23 ` Robert Love
2003-04-12 19:56 ` Shaheed R. Haque
2003-04-12 20:02 ` Robert Love [this message]
2003-04-13 8:30 ` Shaheed R. Haque
2003-04-13 14:28 ` Robert Love
2003-05-13 11:49 ` 2.6 must-fix list, v2 Shaheed R. Haque
2003-05-13 20:02 ` Andrew Morton
2003-05-13 22:46 ` Shaheed R. Haque
2003-05-14 2:42 ` Steven Cole
2003-05-14 11:49 ` Shaheed R. Haque
2003-05-14 13:08 ` Steven Cole
2003-05-13 22:49 ` Shaheed R. Haque
2003-05-14 11:02 ` Felipe Alfaro Solana
2003-05-14 15:59 ` Robert Love
2003-05-14 16:04 ` Robert Love
2003-05-14 21:01 ` shaheed
2003-05-14 21:15 ` Robert Love
2003-05-15 9:19 ` Shaheed R. Haque
2003-05-15 15:32 ` Robert Love
2003-05-15 20:07 ` shaheed
2003-05-15 20:20 ` Robert Love
2003-05-15 20:24 ` Robert Love
2003-05-15 21:30 ` shaheed
2003-04-13 3:52 ` Re: Processor sets (pset) for linux kernel 2.5/2.6? Martin J. Bligh
2003-07-15 11:39 ` [HOWTO] Emulate processor sets (pset) for linux kernel 2.5/2.6 \"shaheed r. haque\"
2003-04-14 22:40 ` [RFC] patch to allow CPUs to be reserved to callers of sys_setaffinity [was Processor sets (pset) for linux kernel 2.5/2.6?] shaheed
2003-05-01 20:19 ` Working .config for a Dell 2650 for 2.5.6x? (was Re: Processor sets (pset) for linux kernel 2.5/2.6?) shaheed
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