From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753740AbZAUUhb (ORCPT ); Wed, 21 Jan 2009 15:37:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752374AbZAUUhW (ORCPT ); Wed, 21 Jan 2009 15:37:22 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:34213 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751518AbZAUUhW (ORCPT ); Wed, 21 Jan 2009 15:37:22 -0500 Date: Wed, 21 Jan 2009 21:37:15 +0100 From: Ingo Molnar To: Johannes Weiner Cc: Nick Piggin , Linux Kernel Mailing List , Linus Torvalds Subject: Re: [patch] x86: optimise page fault entry Message-ID: <20090121203715.GA17280@elte.hu> References: <20090120032426.GE16304@wotan.suse.de> <20090121194541.GA22911@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090121194541.GA22911@cmpxchg.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Johannes Weiner wrote: > --- a/arch/x86/mm/fault.c > +++ b/arch/x86/mm/fault.c > @@ -419,7 +419,6 @@ static noinline void pgtable_bad(struct > printk(KERN_ALERT "%s: Corrupted page table at address %lx\n", > tsk->comm, address); > dump_pagetable(address); > - tsk = current; > tsk->thread.cr2 = address; > tsk->thread.trap_no = 14; > tsk->thread.error_code = error_code; applied to tip/x86/mm, thanks Johannes! Ingo