Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030328AbWBVXHz (ORCPT ); Wed, 22 Feb 2006 18:07:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751538AbWBVXHy (ORCPT ); Wed, 22 Feb 2006 18:07:54 -0500 Received: from mail.tv-sign.ru ([213.234.233.51]:40424 "EHLO several.ru") by vger.kernel.org with ESMTP id S1030328AbWBVXHj (ORCPT ); Wed, 22 Feb 2006 18:07:39 -0500 Message-ID: <43FCEE08.7923E800@tv-sign.ru> Date: Thu, 23 Feb 2006 02:04:40 +0300 From: Oleg Nesterov X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.2.20 i686) X-Accept-Language: en MIME-Version: 1.0 To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Ingo Molnar , "Paul E. McKenney" , "Eric W. Biederman" , David Howells Subject: [PATCH 2/6] relax sig_needs_tasklist() Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 939 Lines: 22 handle_stop_signal() does not need tasklist_lock for SIG_KERNEL_STOP_MASK signals anymore. Signed-off-by: Oleg Nesterov --- 2.6.16-rc3/kernel/signal.c~2_RELAX 2006-02-23 00:36:49.000000000 +0300 +++ 2.6.16-rc3/kernel/signal.c 2006-02-23 01:22:45.000000000 +0300 @@ -146,8 +146,7 @@ static kmem_cache_t *sigqueue_cachep; #define sig_kernel_stop(sig) \ (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK)) -#define sig_needs_tasklist(sig) \ - (((sig) < SIGRTMIN) && T(sig, SIG_KERNEL_STOP_MASK | M(SIGCONT))) +#define sig_needs_tasklist(sig) ((sig) == SIGCONT) #define sig_user_defined(t, signr) \ (((t)->sighand->action[(signr)-1].sa.sa_handler != SIG_DFL) && \ - 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/