lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 20 Dec 2010 11:50:43 +0100 From: Mike Galbraith <efault@....de> To: Avi Kivity <avi@...hat.com> Cc: Rik van Riel <riel@...hat.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Chris Wright <chrisw@...s-sol.org> Subject: Re: [RFC -v2 PATCH 2/3] sched: add yield_to function On Mon, 2010-12-20 at 12:49 +0200, Avi Kivity wrote: > On 12/20/2010 12:46 PM, Mike Galbraith wrote: > > > > > > However, if I'm all alone on my cpu, and the other task is runnable but > > > not running, behind some unrelated task, then I do need that task to be > > > preempted (or to move tasks around). > > > > So in that case, a pull may be advantageous. > > Yes. > > > > > 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'm fine with hints so long as they are usually acted upon (if it isn't, > I'll go back to the guest, spin a bit more, and retry). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists