Subject: Re: [PATCH 3/3] sched: Disable affine wakeups by default
From: Mike Galbraith <efault@gmx.de>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>, mingo@elte.hu,
       linux-kernel@vger.kernel.org
In-Reply-To: <20091025123319.2b76bf69@infradead.org>
References: <20091024125853.35143117@infradead.org>
	 <20091024130432.0c46ef27@infradead.org>
	 <20091024130728.051c4d7c@infradead.org>
	 <1256453725.12138.40.camel@marge.simson.net>
	 <20091025095109.449bac9e@infradead.org>
	 <1256492289.14241.40.camel@marge.simson.net>
	 <20091025123319.2b76bf69@infradead.org>
Content-Type: text/plain
Date: Mon, 26 Oct 2009 06:21:56 +0100
Message-Id: <1256534516.7117.56.camel@marge.simson.net>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 697
Lines: 18

On Sun, 2009-10-25 at 12:33 -0700, Arjan van de Ven wrote:

> we may not agree on what to do if there's no completely free logical
> cpu, but a much lighter loaded one instead.
> but first we need to let code speak ;)

BTW, we agree here too, it's just that cache traffic generated by
ripping high frequency buddies apart can be hugely expensive, so much
caution required.  Someone needs to get off his duff, and invent ram
that doesn't suck.

	-Mike

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/