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From: Ingo Molnar <mingo@elte.hu>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Chris Mason <chris.mason@oracle.com>,
	axboe@kernel.dk, linux-kernel@vger.kernel.org,
	Mike Galbraith <efault@gmx.de>, Oleg Nesterov <oleg@redhat.com>,
	tglx <tglx@linutronix.de>
Subject: Re: [PATCH RFC] reduce runqueue lock contention
Date: Tue, 22 Jun 2010 23:11:41 +0200	[thread overview]
Message-ID: <20100622211141.GC21149@elte.hu> (raw)
In-Reply-To: <1277213586.1875.704.camel@laptop>


* Peter Zijlstra <peterz@infradead.org> wrote:

> So this one boots and builds a kernel on a dual-socket nehalem.
> 
> there's still quite a number of XXXs to fix, but I don't think any of the 
> races are crashing potential, mostly wrong accounting and scheduling iffies 
> like.
> 
> But give it a go.. see what it does for you (x86 only for now).
> 
> Ingo, any comments other than, eew, scary? :-)

None, other than a question: which future kernel do you aim it for? I'd prefer 
v2.6.50 or later ;-)

This is a truly scary patch.

	Ingo

  reply	other threads:[~2010-06-22 21:11 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-20 20:48 [PATCH RFC] reduce runqueue lock contention Chris Mason
2010-05-20 21:09 ` Peter Zijlstra
2010-05-20 21:23   ` Peter Zijlstra
2010-05-20 22:17     ` Chris Mason
2010-05-20 22:21   ` Chris Mason
2010-06-04 10:56 ` Stijn Devriendt
2010-06-04 12:00   ` Peter Zijlstra
2010-06-05  9:37     ` Stijn Devriendt
2010-06-21 10:02 ` Peter Zijlstra
2010-06-21 10:54   ` Peter Zijlstra
2010-06-21 13:04     ` Peter Zijlstra
2010-06-22 13:33       ` Peter Zijlstra
2010-06-22 21:11         ` Ingo Molnar [this message]
2010-06-23  9:10           ` Peter Zijlstra
2010-12-01 23:13             ` Frank Rowand
2010-12-02  1:17               ` Frank Rowand
2010-12-02  7:36               ` Peter Zijlstra
2010-12-14  2:41       ` Frank Rowand
2010-12-14  3:42         ` Mike Galbraith
2010-12-14 21:42           ` Frank Rowand
2010-12-15 18:59         ` Oleg Nesterov

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