From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932362AbcHIRZG (ORCPT ); Tue, 9 Aug 2016 13:25:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35248 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932160AbcHIRZF (ORCPT ); Tue, 9 Aug 2016 13:25:05 -0400 Date: Tue, 9 Aug 2016 19:24:55 +0200 From: Oleg Nesterov To: Bart Van Assche Cc: Ingo Molnar , Peter Zijlstra , "akpm@linux-foundation.org" , Johannes Weiner , Neil Brown , Michael Shaver , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2 1/3] sched: Avoid that __wait_on_bit_lock() hangs Message-ID: <20160809172455.GB13840@redhat.com> References: <908d9eda-4942-270c-7431-bf56f0a62681@sandisk.com> <6e70b9d5-05ea-72f7-b6fe-2c900a5b4266@sandisk.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 09 Aug 2016 17:25:04 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/06, Bart Van Assche wrote: > > Although this patch works reliably in my tests, the above description > does not explain the hang. I will resend this patch with a better > description. Yes please, I'll ignore this series till then ;) See also another patch I sent a minute ago. Oleg.