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From: Peter Zijlstra <peterz@infradead.org>
To: Tejun Heo <htejun@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] sched/kthread: Complain loudly when others violate our flags
Date: Fri, 30 Sep 2011 11:29:57 +0200	[thread overview]
Message-ID: <1317374997.19415.16.camel@twins> (raw)
In-Reply-To: <20110930041424.GH10425@mtj.dyndns.org>

On Fri, 2011-09-30 at 10:34 +0200, Peter Zijlstra wrote:
> Introduce a new WQ_NON_AFFINE flag that indicates a per-cpu workqueue
> will not respect cpu affinity and use this to migrate all its pending
> works to whatever cpu is doing cpu-down. 

Forgot to mention, it will also dis-allow queue_work_on() usage for
these workqueues, since that API implies you actually care what cpu the
work runs on, which cannot be guaranteed.

  parent reply	other threads:[~2011-09-30  9:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-27 21:17 Steven Rostedt
2011-09-28  0:22 ` Thomas Gleixner
2011-09-30  3:48 ` Tejun Heo
2011-09-30  4:05   ` Steven Rostedt
2011-09-30  4:14     ` Tejun Heo
2011-09-30  8:34       ` Peter Zijlstra
2011-09-30  8:55         ` Tejun Heo
2011-09-30  9:04           ` Peter Zijlstra
2011-10-03  1:15             ` Tejun Heo
2011-10-03 10:20               ` Peter Zijlstra
2011-10-07  1:40                 ` Tejun Heo
2011-10-03 10:33               ` Peter Zijlstra
2011-10-03 13:43                 ` Thomas Gleixner
2011-10-03 10:50               ` Peter Zijlstra
2011-09-30  9:23       ` Peter Zijlstra
2011-09-30  9:29       ` Peter Zijlstra [this message]
2011-09-30  9:27   ` Peter Zijlstra
2011-10-03  1:22     ` Tejun Heo
2011-09-30  3:55 ` Tejun Heo
2011-09-30  4:08   ` Steven Rostedt
2011-09-30  4:28     ` Tejun Heo

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