From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [RFC -v2 PATCH 2/3] sched: add yield_to function Date: Mon, 20 Dec 2010 13:06:51 +0200 Message-ID: <4D0F38CB.50801@redhat.com> References: <20101213224434.7495edb2@annuminas.surriel.com> <20101213224657.7e141746@annuminas.surriel.com> <1292306896.7448.157.camel@marge.simson.net> <4D0A6D34.6070806@redhat.com> <1292569018.7772.75.camel@marge.simson.net> <4D0B7D24.5060207@redhat.com> <1292615509.7381.81.camel@marge.simson.net> <4D0CE937.8090601@redhat.com> <1292699204.1181.51.camel@marge.simson.net> <4D0DA45A.9070600@redhat.com> <1292753156.16367.104.camel@marge.simson.net> <4D0DCE10.7000200@redhat.com> <1292834372.8948.27.camel@marge.simson.net> <4D0F1794.3010803@redhat.com> <1292835302.8948.35.camel@marge.simson.net> <4D0F1BD8.20601@redhat.com> <1292837440.8948.60.camel@marge.simson.net> <4D0F25E8.80305@redhat.com> <1292841193.11946.36.camel@marge.simson.net> <4D0F3266.90908@redhat.com> <1292842010.11 946.39.camel@marge.simson.net> <4D0F34C0.9000400@redhat.com> <1292842243.11946.40.camel@marge.simson.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Rik van Riel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Srivatsa Vaddagiri , Peter Zijlstra , Chris Wright To: Mike Galbraith Return-path: In-Reply-To: <1292842243.11946.40.camel@marge.simson.net> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 12/20/2010 12:50 PM, Mike Galbraith wrote: > > > > > > > Would a kick/hint option be useful? > > > > > > > > Depends on what it does... > > > > > > Let you decide whether you only want to drop a hint and leave it at > > > that, or also attempt a preemption. > > > > Who is "you" in this? the scheduler? > > The caller. > I guess it works. We can start out without preemption, if we see we spin to much, preempt. -- error compiling committee.c: too many arguments to function