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From: Mike Galbraith <efault@gmx.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: commit e9e9250b: sync wakeup bustage when waker is an RT task
Date: Mon, 31 May 2010 20:03:28 +0200	[thread overview]
Message-ID: <1275329008.8096.104.camel@marge.simson.net> (raw)
In-Reply-To: <1275316109.27810.22969.camel@twins>

On Mon, 2010-05-31 at 16:28 +0200, Peter Zijlstra wrote:
> On Mon, 2010-05-31 at 15:56 +0200, Mike Galbraith wrote:
>  
> > > Does the below work?
> > 
> > Had to make a dinky adjustment for x86-tip-rt33, but yeah, the horrid
> > latencies are gone.  (hm, skinnier than expected too)
> 
> 
> Here's one that should be even skinnier ;-)

Cool, box is into skeletal.

> I knew I already had an accessor: power_of(), also, I duplicated the
> cpu_power variable inside struct rq so we don't have to chase three
> pointers to get it.

Looks good, but I'll retest anyway. 

	-Mike



  reply	other threads:[~2010-05-31 18:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-15 11:57 commit e9e9250b: sync wakeup bustage when waker is an RT task Mike Galbraith
2010-05-15 12:04 ` Peter Zijlstra
2010-05-15 17:07   ` Mike Galbraith
2010-05-15 17:32     ` Mike Galbraith
2010-05-16  7:21     ` Mike Galbraith
2010-05-17  4:38       ` Mike Galbraith
2010-05-17  8:49         ` Peter Zijlstra
2010-05-17  8:52           ` Peter Zijlstra
2010-05-17  9:04           ` Mike Galbraith
2010-05-31 11:56       ` Peter Zijlstra
2010-05-31 13:56         ` Mike Galbraith
2010-05-31 14:28           ` Peter Zijlstra
2010-05-31 18:03             ` Mike Galbraith [this message]
2010-06-01  6:40               ` Mike Galbraith
2010-06-01  9:12             ` [tip:sched/urgent] sched: Fix wake_affine() vs RT tasks tip-bot for Peter Zijlstra

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