Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754070AbYJDRSX (ORCPT ); Sat, 4 Oct 2008 13:18:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752355AbYJDRSQ (ORCPT ); Sat, 4 Oct 2008 13:18:16 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:38330 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752320AbYJDRSP (ORCPT ); Sat, 4 Oct 2008 13:18:15 -0400 Date: Sat, 4 Oct 2008 13:18:14 -0400 (EDT) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Mathieu Desnoyers cc: Ingo Molnar , LKML , Thomas Gleixner , Peter Zijlstra , Andrew Morton , Linus Torvalds , Arjan van de Ven Subject: Re: [PATCH 0/3] ring-buffer: less locking and only disable preemption In-Reply-To: <20081004163348.GA23593@Krystal> Message-ID: References: <20081004060057.660306328@goodmis.org> <20081004084002.GE27624@elte.hu> <20081004163348.GA23593@Krystal> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 683 Lines: 22 On Sat, 4 Oct 2008, Mathieu Desnoyers wrote: > > Or use this code, based on a temporary breakpoint, to do the code > patching (part of the -lttng tree). It does not require stop_machine at > all and is nmi safe. > When this is supported for all archs, and can be done at all functions then I could use it. I may just have the arch specific code use it, but we'll see. Also, how good is it at patching 20,000 call sites? -- Steve -- 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/