From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934008AbXCTFNl (ORCPT ); Tue, 20 Mar 2007 01:13:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934009AbXCTFNl (ORCPT ); Tue, 20 Mar 2007 01:13:41 -0400 Received: from ozlabs.org ([203.10.76.45]:38793 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934008AbXCTFNk (ORCPT ); Tue, 20 Mar 2007 01:13:40 -0400 Date: Tue, 20 Mar 2007 00:12:33 -0500 From: Anton Blanchard To: Christoph Hellwig , Andi Kleen , Martin Schwidefsky , linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@ozlabs.org Subject: Re: [PATCH] powerpc minor pagefault optimization with kprobes enabled Message-ID: <20070320051233.GB31173@kryten> References: <20070319133149.GA5781@infradead.org> <200703191500.34563.ak@suse.de> <20070319140851.GA11285@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070319140851.GA11285@infradead.org> User-Agent: Mutt/1.5.12-2006-07-14 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > I've attached a patch below the optimizes this code path for powerpc, > but the scheme applies to all architectures aswell. It just rips out all > the callachin madness, and does as good as it gets in the pagefault > handler: NAK, patch on the way to get rid of all the debugger() crap by using this very hook. Anton