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From: Tejun Heo <tj@kernel.org>
To: Dimitri Sivanich <sivanich@sgi.com>
Cc: linux-kernel@vger.kernel.org,
	Rusty Russell <rusty@rustcorp.com.au>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: Re: [PATCH] improve stop_machine performance
Date: Fri, 05 Mar 2010 23:17:46 +0900	[thread overview]
Message-ID: <4B91128A.5000305@kernel.org> (raw)
In-Reply-To: <20100305141143.GA17417@sgi.com>

Hello,

On 03/05/2010 11:11 PM, Dimitri Sivanich wrote:
> It seems reasonable as long as setup is fast enough.  Will that
> thread indeed become fully uninterruptible (not affected by anything
> including scheduler decisions like
> sched_rt_period_us/sched_rt_runtime_us, etc..)?

I think so.  They basically are used to do the same thing - occupying
the CPU.  I'll give a shot.  Please give me a couple of days.

Thanks.

-- 
tejun

      reply	other threads:[~2010-03-05 14:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-04 21:20 [PATCH] improve stop_machine performance Dimitri Sivanich
2010-03-05  0:22 ` Tejun Heo
2010-03-05 14:11   ` Dimitri Sivanich
2010-03-05 14:17     ` Tejun Heo [this message]

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