From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752110Ab1GMM1l (ORCPT ); Wed, 13 Jul 2011 08:27:41 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:63028 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751281Ab1GMM1k (ORCPT ); Wed, 13 Jul 2011 08:27:40 -0400 Date: Wed, 13 Jul 2011 14:27:35 +0200 From: Tejun Heo To: Oleg Nesterov Cc: Andrew Morton , Matt Fleming , linux-kernel@vger.kernel.org Subject: Re: [PATCH] signals: sys_ssetmask/sys_rt_sigsuspend should use set_current_blocked() Message-ID: <20110713122735.GK2872@htj.dyndns.org> References: <20110711160102.GA14797@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110711160102.GA14797@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 11, 2011 at 06:01:02PM +0200, Oleg Nesterov wrote: > sys_ssetmask(), sys_rt_sigsuspend() and compat_sys_rt_sigsuspend() > change ->blocked directly. This is not correct, see the changelog in > e6fa16ab "signal: sigprocmask() should do retarget_shared_pending()" > > Change them to use set_current_blocked(). > > Another change is that now we are doing ->saved_sigmask = ->blocked > lockless, it doesn't make any sense to do this under ->siglock. > > Signed-off-by: Oleg Nesterov Acked-by: Tejun Heo -- tejun