From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx197.postini.com [74.125.245.197]) by kanga.kvack.org (Postfix) with SMTP id 0EA576B005C for ; Mon, 9 Jan 2012 04:31:14 -0500 (EST) Message-ID: <1326101456.2442.40.camel@twins> Subject: Re: [PATCH v6 0/8] Reduce cross CPU IPI interference From: Peter Zijlstra Date: Mon, 09 Jan 2012 10:30:56 +0100 In-Reply-To: <1326040026-7285-1-git-send-email-gilad@benyossef.com> References: <1326040026-7285-1-git-send-email-gilad@benyossef.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Gilad Ben-Yossef Cc: linux-kernel@vger.kernel.org, Christoph Lameter , Chris Metcalf , Frederic Weisbecker , linux-mm@kvack.org, Pekka Enberg , Matt Mackall , Sasha Levin , Rik van Riel , Andi Kleen , Mel Gorman , Andrew Morton , Alexander Viro , Avi Kivity , Michal Nazarewicz , Kosaki Motohiro 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 IP= Is > 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.=20 1-7 Acked-by: Peter Zijlstra -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org