From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756862Ab0ESJGy (ORCPT ); Wed, 19 May 2010 05:06:54 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:56500 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756888Ab0ESJGu (ORCPT ); Wed, 19 May 2010 05:06:50 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=jJ8aAZDi5gwxGf6tXrSNmx2WmSoIIs0uVcFD1xdI2Zjv7zTGmYQw9Ltoqawr0quwoi HNiUqTT+BKMic6PJ8GVK70BGALgRjMSd75MLkjAJx6TA1fM7tzDXCOFK5PTFfPvbeByz sOP3uabvir2UDy2nuIGfY5iWMVUqjMoluIytA= Date: Wed, 19 May 2010 11:06:55 +0200 From: Frederic Weisbecker To: Peter Zijlstra Cc: mingo@redhat.com, hpa@zytor.com, paulus@samba.org, acme@redhat.com, linux-kernel@vger.kernel.org, efault@gmx.de, rostedt@goodmis.org, tglx@linutronix.de, mingo@elte.hu, linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/core] perf/ftrace: Optimize perf/tracepoint interaction for single events Message-ID: <20100519090654.GK5704@nowhere> References: <20100519075804.GF5704@nowhere> <1274257123.5605.10260.camel@twins> <20100519082335.GG5704@nowhere> <1274259525.5605.10352.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1274259525.5605.10352.camel@twins> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 19, 2010 at 10:58:45AM +0200, Peter Zijlstra wrote: > How about something like the below? > > > --- > Subject: perf, trace: Remove IRQ-disable from perf/tracepoint interaction > From: Peter Zijlstra > Date: Wed May 19 10:52:27 CEST 2010 > > > > Signed-off-by: Peter Zijlstra > --- Looks fine if we don't have nested irqs.