From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965176AbaFCVff (ORCPT ); Tue, 3 Jun 2014 17:35:35 -0400 Received: from mail-ig0-f169.google.com ([209.85.213.169]:35523 "EHLO mail-ig0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965047AbaFCVfe (ORCPT ); Tue, 3 Jun 2014 17:35:34 -0400 Date: Tue, 3 Jun 2014 14:35:31 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Tetsuo Handa cc: Oleg Nesterov , Andrew Morton , joseph.salisbury@canonical.com, Linus Torvalds , Tejun Heo , tglx@linutronix.de, linux-kernel@vger.kernel.org, kernel-team@lists.ubuntu.com Subject: Re: [PATCH] kthread: Fix return value of kthread_create() upon SIGKILL. In-Reply-To: <201406032203.ECD00030.OOHFSQtVFLOFMJ@I-love.SAKURA.ne.jp> Message-ID: References: <53236AA2.7030105@canonical.com> <20140317130241.7e4fde86d75d417628da6f1a@linux-foundation.org> <20140317201919.GA28997@redhat.com> <201406032203.ECD00030.OOHFSQtVFLOFMJ@I-love.SAKURA.ne.jp> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) 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 Tue, 3 Jun 2014, Tetsuo Handa wrote: > >From c41fa0b9294900a86167d6c8db392d99dde09774 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa > Date: Tue, 3 Jun 2014 21:46:24 +0900 > Subject: [PATCH] kthread: Fix return value of kthread_create() upon SIGKILL. > > Commit 786235eeb "kthread: make kthread_create() killable" meant for > allowing kthread_create() to abort as soon as killed by the OOM-killer. > But returning -ENOMEM is wrong if killed by SIGKILL from userspace. > Change kthread_create() to return -EINTR upon SIGKILL. > > Signed-off-by: Tetsuo Handa > Cc: Oleg Nesterov > Cc: David Rientjes > Cc: stable [3.13+] Acked-by: David Rientjes