Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753897AbXLKQiS (ORCPT ); Tue, 11 Dec 2007 11:38:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751466AbXLKQiK (ORCPT ); Tue, 11 Dec 2007 11:38:10 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:55884 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751624AbXLKQiJ (ORCPT ); Tue, 11 Dec 2007 11:38:09 -0500 Date: Tue, 11 Dec 2007 08:35:13 -0800 From: Arjan van de Ven To: Ingo Molnar Cc: dor.laor@qumranet.com, tglx@linutronix.de, Linux Kernel Mailing List , kvm-devel Subject: Re: Performance overhead of get_cycles_sync Message-ID: <20071211083513.56c2a385@laptopd505.fenrus.org> In-Reply-To: <20071211142717.GA15903@elte.hu> References: <475E8C8B.7070308@qumranet.com> <20071211133738.GA8150@elte.hu> <475E9A92.4030001@qumranet.com> <20071211142717.GA15903@elte.hu> Organization: Intel X-Mailer: Claws Mail 3.0.2 (GTK+ 2.12.1; i386-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 pentafluge.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: 615 Lines: 17 On Tue, 11 Dec 2007 15:27:17 +0100 Ingo Molnar wrote: > > * Dor Laor wrote: > > > The patch below should resolve this - could you please test and Ack > it? But this CPUID was present in v2.6.23 too, so why did it only > show up in 2.6.24-rc for you? isn't this probably wrong since this code is also used in the vsyscall code.. -- 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/