Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030207Ab0B0RId (ORCPT ); Sat, 27 Feb 2010 12:08:33 -0500 Received: from casper.infradead.org ([85.118.1.10]:54365 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S968613Ab0B0RIc (ORCPT ); Sat, 27 Feb 2010 12:08:32 -0500 Date: Sat, 27 Feb 2010 09:10:39 -0800 From: Arjan van de Ven To: Ingo Molnar Cc: Linus Torvalds , linux-kernel@vger.kernel.org, "H. Peter Anvin" , Thomas Gleixner , Borislav Petkov , Andrew Morton Subject: Re: [GIT PULL] x86/cpu changes for v2.6.34 Message-ID: <20100227091039.7608155c@infradead.org> In-Reply-To: <20100227150942.GA6394@elte.hu> References: <20100227150942.GA6394@elte.hu> Organization: Intel X-Mailer: Claws Mail 3.7.3 (GTK+ 2.16.6; i586-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 635 Lines: 22 On Sat, 27 Feb 2010 16:09:42 +0100 Ingo Molnar wrote: > +int wbinvd_on_all_cpus(void) > +{ > + return on_each_cpu(__wbinvd, NULL, 1); > +} does this make sense at all? doesn't cache coherency on x86 already guarantee this? -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/