From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763959AbZE1Tc5 (ORCPT ); Thu, 28 May 2009 15:32:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757086AbZE1Tcu (ORCPT ); Thu, 28 May 2009 15:32:50 -0400 Received: from mx1.redhat.com ([66.187.233.31]:45609 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756861AbZE1Tct (ORCPT ); Thu, 28 May 2009 15:32:49 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: Oleg Nesterov X-Fcc: ~/Mail/linus Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [PATCH] ptrace: don't take tasklist to get/set ->last_siginfo In-Reply-To: Oleg Nesterov's message of Thursday, 28 May 2009 10:21:13 +0200 <20090528082113.GA9062@redhat.com> References: <20090528082113.GA9062@redhat.com> X-Shopping-List: (1) Ambiguous accordions (2) Surfing dandelions (3) Partial homestyle hay Message-Id: <20090528193113.4825EFC2BD@magilla.sf.frob.com> Date: Thu, 28 May 2009 12:31:13 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Acked-by: Roland McGrath > Change ptrace_getsiginfo/ptrace_setsiginfo to use lock_task_sighand() > without tasklist_lock. Perhaps it makes sense to make a singler helper > with "bool rw" argument. Let's not bother now since we will change this more later anyway. Thanks, Roland