linux-kernel - Re: [PATCH v6 0/8] Reduce cross CPU IPI interference

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Message-ID: <1326101456.2442.40.camel@twins>
Date:	Mon, 09 Jan 2012 10:30:56 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Gilad Ben-Yossef <gilad@...yossef.com>
Cc:	linux-kernel@...r.kernel.org, Christoph Lameter <cl@...ux.com>,
	Chris Metcalf <cmetcalf@...era.com>,
	Frederic Weisbecker <fweisbec@...il.com>, linux-mm@...ck.org,
	Pekka Enberg <penberg@...nel.org>,
	Matt Mackall <mpm@...enic.com>,
	Sasha Levin <levinsasha928@...il.com>,
	Rik van Riel <riel@...hat.com>,
	Andi Kleen <andi@...stfloor.org>, Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Avi Kivity <avi@...hat.com>,
	Michal Nazarewicz <mina86@...a86.org>,
	Kosaki Motohiro <kosaki.motohiro@...il.com>
Subject: Re: [PATCH v6 0/8] Reduce cross CPU IPI interference

On Sun, 2012-01-08 at 18:26 +0200, Gilad Ben-Yossef wrote:
> Still, kernel code will some time interrupt all CPUs in the system via IPIs
> for various needs. These IPIs are useful and cannot be avoided altogether,
> but in certain cases it is possible to interrupt only specific CPUs that
> have useful work to do and not the entire system. 

1-7

Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>


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