From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759191AbYE0PmQ (ORCPT ); Tue, 27 May 2008 11:42:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758915AbYE0Plx (ORCPT ); Tue, 27 May 2008 11:41:53 -0400 Received: from www.tglx.de ([62.245.132.106]:53671 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758865AbYE0Plw (ORCPT ); Tue, 27 May 2008 11:41:52 -0400 Date: Tue, 27 May 2008 17:41:26 +0200 (CEST) From: Thomas Gleixner To: Abhishek Sagar cc: rostedt@goodmis.org, Ingo Molnar , LKML Subject: Re: [PATCH] ftrace: safe traversal of ftrace_hash hlist In-Reply-To: <48385B26.7040509@gmail.com> Message-ID: References: <48385B26.7040509@gmail.com> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 24 May 2008, Abhishek Sagar wrote: > Hi Steven, > I noticed that concurrent instances of ftrace_record_ip() have a > race between ftrace_hash list traversal during ftrace_ip_in_hash() > (before acquiring ftrace_shutdown_lock) and ftrace_add_hash().If > it's so then this should fix it. Applied. Thanks, tglx