From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933699Ab1IILNI (ORCPT ); Fri, 9 Sep 2011 07:13:08 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:36204 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933516Ab1IILNG (ORCPT ); Fri, 9 Sep 2011 07:13:06 -0400 From: Pedro Alves Organization: CodeSourcery To: Denys Vlasenko Subject: Re: [PATCH v3] Make PTRACE_SEIZE set ptrace options specified in 'data' Date: Fri, 9 Sep 2011 12:12:59 +0100 User-Agent: KMail/1.13.6 (Linux/2.6.38-11-generic; KDE/4.7.0; x86_64; ; ) Cc: Oleg Nesterov , Tejun Heo , linux-kernel@vger.kernel.org, Denys Vlasenko References: <1315506333.18043.49.camel@dhcp-25-63.brq.redhat.com> In-Reply-To: <1315506333.18043.49.camel@dhcp-25-63.brq.redhat.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201109091212.59889.pedro@codesourcery.com> X-OriginalArrivalTime: 09 Sep 2011 11:13:02.0528 (UTC) FILETIME=[70C0C400:01CC6EE1] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 08 September 2011 19:22:04, Denys Vlasenko wrote: > Make PTRACE_SEIZE set ptrace options specified in 'data' parameter > > This can be used to close a few corner cases in strace where we get > unwanted racy behavior after attach, but before we have a chance > to set options (the notorious post-execve SIGTRAP comes to mind), I'm still confused on why you're raising the SIGTRAP argument. Did you see https://lkml.org/lkml/2011/9/8/7 ? -- Pedro Alves