Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756115AbZIVQwW (ORCPT ); Tue, 22 Sep 2009 12:52:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755970AbZIVQwU (ORCPT ); Tue, 22 Sep 2009 12:52:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35667 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755315AbZIVQwT (ORCPT ); Tue, 22 Sep 2009 12:52:19 -0400 Message-ID: <4AB900B1.9070901@redhat.com> Date: Tue, 22 Sep 2009 19:52:01 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Peter Zijlstra CC: Ingo Molnar , "H. Peter Anvin" , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Marcelo Tosatti Subject: Re: [PATCH v2] core, x86: Add user return notifiers References: <4AB3CDEC.5050902@zytor.com> <1253342422-13811-1-git-send-email-avi@redhat.com> <4AB8980D.5070803@redhat.com> <20090922143223.GA31702@elte.hu> <1253638205.18939.4.camel@laptop> In-Reply-To: <1253638205.18939.4.camel@laptop> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 673 Lines: 18 On 09/22/2009 07:50 PM, Peter Zijlstra wrote: >> Would be nice to convert some existing open-coded return-to-user-space >> logic to this facility. One such candidate would be lockdep_sys_exit? >> > And here I was thinking this was one of the hottest code paths in the > whole kernel... > If you're using lockdep, surely that's not your biggest worry? -- error compiling committee.c: too many arguments to function -- 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/