From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751995AbaANQdU (ORCPT ); Tue, 14 Jan 2014 11:33:20 -0500 Received: from mail-ee0-f41.google.com ([74.125.83.41]:42970 "EHLO mail-ee0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751673AbaANQdR (ORCPT ); Tue, 14 Jan 2014 11:33:17 -0500 Date: Tue, 14 Jan 2014 17:33:14 +0100 From: Ingo Molnar To: Rik van Riel Cc: atomlin@redhat.com, linux-kernel@vger.kernel.org, oleg@redhat.com, akpm@linux-foundation.org Subject: Re: [RFC PATCH 2/2] hung_task: Display every hung task warning Message-ID: <20140114163314.GE31734@gmail.com> References: <1389633292-23588-1-git-send-email-atomlin@redhat.com> <1389633292-23588-3-git-send-email-atomlin@redhat.com> <52D545F7.2020503@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52D545F7.2020503@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Rik van Riel wrote: > On 01/13/2014 12:14 PM, atomlin@redhat.com wrote: > > From: Aaron Tomlin > > > > Enable hung_task_warnings to display every hung > > task warning when set to -1. > > > > Signed-off-by: Aaron Tomlin > > Aaron and I talked on IRC, and after some talking these patches > now make sense to me :) > > The kernel apparently limits how many hung task warnings it > will display at a time, when a timeout occurs. Aaron's patch > allows that limit to be set to "unlimited", which will cause > the kernel to display info about all hung tasks. The changelog needs to be updated with such kind of descriptive information. Thanks, Ingo