Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423235AbaDKQba (ORCPT ); Fri, 11 Apr 2014 12:31:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63178 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422897AbaDKQb1 (ORCPT ); Fri, 11 Apr 2014 12:31:27 -0400 Date: Fri, 11 Apr 2014 17:58:45 +0200 From: Oleg Nesterov To: Steven Rostedt Cc: Mathieu Desnoyers , Frederic Weisbecker , LKML , Andrew Morton , Ingo Molnar Subject: Re: [PATCH RESEND 1/2] tracing: syscall_*regfunc() can race with copy_process() Message-ID: <20140411155845.GA30199@redhat.com> References: <1397059882-23063-1-git-send-email-fweisbec@gmail.com> <1397059882-23063-3-git-send-email-fweisbec@gmail.com> <360091921.1294.1397060915052.JavaMail.zimbra@efficios.com> <20140409124249.4081e665@gandalf.local.home> <20140409170505.GA27638@redhat.com> <20140409170542.GB27638@redhat.com> <20140410090643.46ca2226@gandalf.local.home> <20140410133435.GB12228@redhat.com> <20140411112259.79f0a0ba@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140411112259.79f0a0ba@gandalf.local.home> 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 04/11, Steven Rostedt wrote: > > On Thu, 10 Apr 2014 15:34:35 +0200 > Oleg Nesterov wrote: > > > On 04/10, Steven Rostedt wrote: > > > > > > On Wed, 9 Apr 2014 19:05:42 +0200 > > > Oleg Nesterov wrote: > > > > > > > --- a/kernel/fork.c > > > > +++ b/kernel/fork.c > > > > @@ -1472,7 +1472,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, > > > > > > > > total_forks++; > > > > spin_unlock(¤t->sighand->siglock); > > > > + syscall_tracepoint_update(p); > > > > write_unlock_irq(&tasklist_lock); > > > > + > > > > > > So this looks to be a fix that probably should go to stable? > > > > Not sure, this is up to you. > > I'll have to think about this one, whether or not it should go to > stable. ... > > > These changes should be in a separate patch, as they can wait till 3.16. > > > > OK, I'll split this change. > > Are you going to send a new series? Yes, will do. I will split 1/2, and I need to update the changelog in 2/2. Oleg. -- 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/