Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756441Ab0GAOzU (ORCPT ); Thu, 1 Jul 2010 10:55:20 -0400 Received: from hera.kernel.org ([140.211.167.34]:45929 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751246Ab0GAOzS (ORCPT ); Thu, 1 Jul 2010 10:55:18 -0400 Message-ID: <4C2CABF2.2020801@kernel.org> Date: Thu, 01 Jul 2010 16:53:38 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100317 SUSE/3.0.4-1.1.1 Thunderbird/3.0.4 MIME-Version: 1.0 To: Oleg Nesterov CC: "Michael S. Tsirkin" , Peter Zijlstra , Ingo Molnar , Sridhar Samudrala , netdev , lkml , "kvm@vger.kernel.org" , Andrew Morton , Dmitri Vorobiev , Jiri Kosina , Thomas Gleixner , Andi Kleen Subject: Re: [PATCH repost] sched: export sched_set/getaffinity to modules References: <1277983179.1917.10.camel@laptop> <1277984603.1917.15.camel@laptop> <20100701115507.GA31333@redhat.com> <20100701122340.GB31333@redhat.com> <1277987657.1917.32.camel@laptop> <1277988395.1917.47.camel@laptop> <20100701130816.GB32223@redhat.com> <1277991024.1917.108.camel@laptop> <20100701133956.GD32223@redhat.com> <4C2CA5C5.4040402@kernel.org> <20100701144624.GA11171@redhat.com> In-Reply-To: <20100701144624.GA11171@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Thu, 01 Jul 2010 14:53:43 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 23 Hello, On 07/01/2010 04:46 PM, Oleg Nesterov wrote: >> It might be a good idea to make the function take extra clone flags >> but anyways once created cloned task can be treated the same way as >> other kthreads, so nothing else needs to be changed. > > This makes kthread_stop() work. Otherwise the new thread is just > the CLONE_VM child of the caller, and the caller is the user-mode > task doing ioctl() ? Hmmm, indeed. It makes the attribute inheritance work but circumvents the whole reason there is kthreadd. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/