From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754900AbZBVWRJ (ORCPT ); Sun, 22 Feb 2009 17:17:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752523AbZBVWQz (ORCPT ); Sun, 22 Feb 2009 17:16:55 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:37341 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752171AbZBVWQz (ORCPT ); Sun, 22 Feb 2009 17:16:55 -0500 Date: Sun, 22 Feb 2009 23:16:46 +0100 From: Ingo Molnar To: Frederic Weisbecker Cc: linux-kernel@vger.kernel.org, Steven Rostedt , Arnaldo Carvalho de Melo Subject: Re: [PATCH] tracing/ftrace: add missing wake-up on some callsites Message-ID: <20090222221646.GC21459@elte.hu> References: <49a1cc8f.2283420a.54d2.ffff8461@mx.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49a1cc8f.2283420a.54d2.ffff8461@mx.google.com> 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 * Frederic Weisbecker wrote: > Impact: fix unwaken pipe > > Now that we use a common wakeup infrastructure, we must append a wakeup > on few callsites which lack it or tasks reading trace_pipe will not be > awaken when events come on few tracers. > > Cc: Steven Rostedt > Cc: Arnaldo Carvalho de Melo > Signed-off-by: Frederic Weisbecker > --- > kernel/trace/trace.c | 2 ++ > kernel/trace/trace_branch.c | 2 ++ > kernel/trace/trace_hw_branches.c | 2 ++ > 3 files changed, 6 insertions(+), 0 deletions(-) Applied to tip:tracing/ftrace, thanks Frederic! Ingo