From: Max Krasnyanskiy <maxk@qualcomm.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Jackson <pj@sgi.com>,
mingo@elte.hu, tglx@linutronix.de, oleg@tv-sign.ru,
rostedt@goodmis.org, linux-kernel@vger.kernel.org,
rientjes@google.com
Subject: Re: [RFC/PATCH] cpuset: cpuset irq affinities
Date: Tue, 04 Mar 2008 11:52:37 -0800 [thread overview]
Message-ID: <47CDA885.3000103@qualcomm.com> (raw)
In-Reply-To: <1204628762.6241.46.camel@lappy>
Peter Zijlstra wrote:
> On Tue, 2008-03-04 at 01:35 -0600, Paul Jackson wrote:
>> Peter wrote:
>>> OK, understood, I'll try and come up with yet another scheme :-)
>> Would your per-cpuset 'irqs' file work if, unlike pids in the 'tasks' file,
>> we allowed the same irq to be listed in multiple 'irqs' files?
>
> I did think of that, but that seems rather awkward. For one, how would
> you remove an irq from a cpuset?
>
> Secondly, the beauty of the current solution is that we use
> irq_desc->cs->cpus_allowed, if it were in multiple sets, we'd have to
> iterate a list, and cpus_or() the bunch.
>
Yeah, that would definitely be awkward.
Max
next prev parent reply other threads:[~2008-03-04 19:53 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-27 22:21 [RFC/PATCH 0/4] CPUSET driven CPU isolation Peter Zijlstra
2008-02-27 22:21 ` [RFC/PATCH 1/4] sched: remove isolcpus Peter Zijlstra
2008-02-27 23:57 ` Max Krasnyanskiy
2008-02-28 10:19 ` Peter Zijlstra
2008-02-28 19:36 ` Max Krasnyansky
2008-02-27 22:21 ` [RFC/PATCH 2/4] cpuset: system sets Peter Zijlstra
2008-02-27 23:39 ` Paul Jackson
2008-02-28 1:53 ` Max Krasnyanskiy
2008-02-27 23:52 ` Max Krasnyanskiy
2008-02-28 0:11 ` Paul Jackson
2008-02-28 0:29 ` Steven Rostedt
2008-02-28 1:45 ` Max Krasnyanskiy
2008-02-28 3:41 ` Steven Rostedt
2008-02-28 4:58 ` Max Krasnyansky
2008-02-27 22:21 ` [RFC/PATCH 3/4] genirq: system set irq affinities Peter Zijlstra
2008-02-28 0:10 ` Max Krasnyanskiy
2008-02-28 10:19 ` Peter Zijlstra
2008-02-27 22:21 ` [RFC/PATCH 4/4] kthread: system set kthread affinities Peter Zijlstra
2008-02-27 23:38 ` [RFC/PATCH 0/4] CPUSET driven CPU isolation Max Krasnyanskiy
2008-02-28 10:19 ` Peter Zijlstra
2008-02-28 17:33 ` Max Krasnyanskiy
2008-02-28 7:50 ` Ingo Molnar
2008-02-28 8:08 ` Paul Jackson
2008-02-28 9:08 ` Ingo Molnar
2008-02-28 9:17 ` Paul Jackson
2008-02-28 9:32 ` David Rientjes
2008-02-28 10:12 ` David Rientjes
2008-02-28 10:26 ` Peter Zijlstra
2008-02-28 17:37 ` Paul Jackson
2008-02-28 21:24 ` David Rientjes
2008-02-28 22:46 ` Paul Jackson
2008-02-28 23:00 ` David Rientjes
2008-02-29 0:16 ` Paul Jackson
2008-02-29 1:05 ` David Rientjes
2008-02-29 3:34 ` Paul Jackson
2008-02-29 4:00 ` David Rientjes
2008-02-29 6:53 ` Paul Jackson
2008-02-28 10:46 ` Ingo Molnar
2008-02-28 17:47 ` Paul Jackson
2008-02-28 20:11 ` Max Krasnyansky
2008-02-28 20:13 ` Paul Jackson
2008-02-28 20:26 ` Max Krasnyansky
2008-02-28 20:27 ` Paul Jackson
2008-02-28 20:45 ` Max Krasnyansky
2008-02-28 20:23 ` Max Krasnyansky
2008-02-28 17:48 ` Max Krasnyanskiy
2008-02-29 8:31 ` Andrew Morton
2008-02-29 8:36 ` Andrew Morton
2008-02-29 9:10 ` Ingo Molnar
2008-02-29 18:06 ` Max Krasnyanskiy
2008-02-28 12:12 ` Mark Hounschell
2008-02-28 19:57 ` Max Krasnyansky
2008-02-29 18:55 ` [RFC/PATCH] cpuset: cpuset irq affinities Peter Zijlstra
2008-02-29 19:02 ` Ingo Molnar
2008-02-29 20:52 ` Max Krasnyanskiy
2008-02-29 21:03 ` Peter Zijlstra
2008-02-29 21:20 ` Max Krasnyanskiy
2008-03-03 11:57 ` Peter Zijlstra
2008-03-03 17:36 ` Paul Jackson
2008-03-03 17:57 ` Peter Zijlstra
2008-03-03 18:10 ` Paul Jackson
2008-03-03 18:18 ` Peter Zijlstra
2008-03-04 7:35 ` Paul Jackson
2008-03-04 11:06 ` Peter Zijlstra
2008-03-04 19:52 ` Max Krasnyanskiy [this message]
2008-03-05 1:11 ` Paul Jackson
2008-03-05 8:37 ` Peter Zijlstra
2008-03-05 8:50 ` Ingo Molnar
2008-03-05 12:35 ` Paul Jackson
2008-03-05 12:43 ` Ingo Molnar
2008-03-05 17:44 ` Paul Jackson
2008-03-05 19:17 ` Max Krasnyansky
2008-03-06 13:47 ` Paul Jackson
2008-03-06 15:21 ` Peter Zijlstra
2008-03-07 3:40 ` Paul Jackson
2008-03-07 6:39 ` Paul Jackson
2008-03-07 8:47 ` Paul Menage
2008-03-07 14:57 ` Paul Jackson
2008-03-03 18:41 ` Paul Menage
2008-03-03 18:52 ` Paul Jackson
2008-03-04 5:26 ` Paul Menage
2008-03-04 6:15 ` Paul Jackson
2008-03-04 6:21 ` Paul Menage
2008-03-04 6:26 ` Paul Jackson
2008-03-04 6:34 ` Paul Menage
2008-03-04 6:51 ` Paul Jackson
2008-02-29 20:55 ` Paul Jackson
2008-02-29 21:14 ` Peter Zijlstra
2008-02-29 21:29 ` Ingo Molnar
2008-02-29 21:32 ` Ingo Molnar
2008-02-29 21:42 ` Max Krasnyanskiy
2008-02-29 22:00 ` Paul Jackson
2008-02-29 21:53 ` Paul Jackson
2008-03-02 5:18 ` Christoph Hellwig
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