From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757386Ab0IZDyJ (ORCPT ); Sat, 25 Sep 2010 23:54:09 -0400 Received: from mail-pv0-f174.google.com ([74.125.83.174]:37674 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756168Ab0IZDyF (ORCPT ); Sat, 25 Sep 2010 23:54:05 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=Iogc5qrFNF1Gt96LtfXZfGvouICkjG409QrsKAc1/whUKhC4VC/62xd88hbH7bvp3E 46whRLo49+F86F+rMzMo35DM9nF3wlwV7535cbqhOYRfkQfYiNv43IheTz+lwFRc6ARU T0BsQRHM3lSFbsgZ+Qxfqol4UIDfFJW3OQnc4= From: Namhyung Kim To: Andrew Morton , Ingo Molnar Cc: Roland McGrath , Oleg Nesterov , linux-kernel@vger.kernel.org Subject: [PATCH RESEND 2/2] ptrace: annotate lock context change on exit_ptrace() Date: Sun, 26 Sep 2010 12:53:51 +0900 Message-Id: <1285473231-6229-2-git-send-email-namhyung@gmail.com> X-Mailer: git-send-email 1.7.2.2 In-Reply-To: <1285473231-6229-1-git-send-email-namhyung@gmail.com> References: <1285473231-6229-1-git-send-email-namhyung@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org exit_ptrace() releases and regrabs tasklist_lock but was missing proper annotation. Add it. Signed-off-by: Namhyung Kim Acked-by: Roland McGrath --- kernel/ptrace.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/kernel/ptrace.c b/kernel/ptrace.c index f34d798..4afd9b8 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -329,6 +329,8 @@ int ptrace_detach(struct task_struct *child, unsigned int data) * and reacquire the lock. */ void exit_ptrace(struct task_struct *tracer) + __releases(&tasklist_lock) + __acquires(&tasklist_lock) { struct task_struct *p, *n; LIST_HEAD(ptrace_dead); -- 1.7.2.2