From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932353AbcIALDf (ORCPT ); Thu, 1 Sep 2016 07:03:35 -0400 Received: from merlin.infradead.org ([205.233.59.134]:48370 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932224AbcIALDc (ORCPT ); Thu, 1 Sep 2016 07:03:32 -0400 Date: Thu, 1 Sep 2016 13:03:19 +0200 From: Peter Zijlstra To: Oleg Nesterov Cc: Ingo Molnar , Al Viro , Bart Van Assche , Johannes Weiner , Linus Torvalds , Neil Brown , linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] sched/wait: abort_exclusive_wait() should pass TASK_NORMAL to wake_up() Message-ID: <20160901110319.GH10138@twins.programming.kicks-ass.net> References: <20160826124453.GA28894@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160826124453.GA28894@redhat.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 26, 2016 at 02:44:53PM +0200, Oleg Nesterov wrote: > And this reminds me... I still fail to understand why/how the commit > 68985633bccb60 "sched/wait: Fix signal handling in bit wait helpers" > can help. Apart from s/return 1/return -EINTR/. Peter, do you have any > theory? No, I was (and still am) completely puzzled by that one.