Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754977Ab0GALUN (ORCPT ); Thu, 1 Jul 2010 07:20:13 -0400 Received: from casper.infradead.org ([85.118.1.10]:56467 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750848Ab0GALUL convert rfc822-to-8bit (ORCPT ); Thu, 1 Jul 2010 07:20:11 -0400 Subject: Re: [PATCH repost] sched: export sched_set/getaffinity to modules From: Peter Zijlstra To: "Michael S. Tsirkin" Cc: Ingo Molnar , Sridhar Samudrala , Tejun Heo , Oleg Nesterov , netdev , lkml , "kvm@vger.kernel.org" , Andrew Morton , Dmitri Vorobiev , Jiri Kosina , Thomas Gleixner , Andi Kleen In-Reply-To: <20100701110708.GA27368@redhat.com> References: <4BFEA434.6080405@kernel.org> <20100527173207.GA21880@redhat.com> <4BFEE216.2070807@kernel.org> <20100528150830.GB21880@redhat.com> <4BFFE742.2060205@kernel.org> <20100530112925.GB27611@redhat.com> <4C02C99D.9070204@kernel.org> <20100624081135.GA937@redhat.com> <1277419551.27868.27.camel@w-sridhar.beaverton.ibm.com> <20100625101022.GA16321@redhat.com> <20100701110708.GA27368@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 01 Jul 2010 13:19:39 +0200 Message-ID: <1277983179.1917.10.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1505 Lines: 46 On Thu, 2010-07-01 at 14:07 +0300, Michael S. Tsirkin wrote: > Author: Sridhar Samudrala > > sched: export sched_set/getaffinity to modules > > vhost-net driver wants to copy the affinity from the > owner thread to thread it creates. Export > sched_set/get affinity to modules to make this possible > when vhost is built as a module. > > Signed-off-by: Sridhar Samudrala > Signed-off-by: Michael S. Tsirkin > > --- > > I'm not sure the previous time made it clear what exactly is the > proposed change, so reposting. Info, Peter, could you ack merging the > following through the net-next tree please? > > diff --git a/kernel/sched.c b/kernel/sched.c > index d484081..3759391 100644 > --- a/kernel/sched.c > +++ b/kernel/sched.c > @@ -4744,6 +4744,7 @@ out_put_task: > put_online_cpus(); > return retval; > } > +EXPORT_SYMBOL_GPL(sched_setaffinity); > > static int get_user_cpu_mask(unsigned long __user *user_mask_ptr, unsigned len, > struct cpumask *new_mask) > @@ -4807,6 +4808,7 @@ out_unlock: > > return retval; > } > +EXPORT_SYMBOL_GPL(sched_getaffinity); > > /** > * sys_sched_getaffinity - get the cpu affinity of a process Urgh,.. so why again is that a good idea? -- 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/