From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH UPDATED 1/3] vhost: replace vhost_workqueue with per-vhost kthread Date: Mon, 26 Jul 2010 18:14:30 +0200 Message-ID: <4C4DB466.6000409@kernel.org> References: <4C03D983.9010905@kernel.org> <20100531160020.GC3067@redhat.com> <4C04D41B.4050704@kernel.org> <4C06A580.9060300@kernel.org> <20100722155840.GA1743@redhat.com> <4C48B664.9000109@kernel.org> <20100724191447.GA4972@redhat.com> <4C4BEAA2.6040301@kernel.org> <20100726152510.GA26223@redhat.com> <4C4DAB14.5050809@kernel.org> <20100726155014.GA26412@redhat.com> <4C4DB247.9060709@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Oleg Nesterov , Sridhar Samudrala , netdev , lkml , "kvm@vger.kernel.org" , Andrew Morton , Dmitri Vorobiev , Jiri Kosina , Thomas Gleixner , Ingo Molnar , Andi Kleen To: "Michael S. Tsirkin" Return-path: In-Reply-To: <4C4DB247.9060709@kernel.org> Sender: kvm-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Just one more thing. On 07/26/2010 06:05 PM, Tejun Heo wrote: > * Placing try_to_freeze() could be a bit annoying. It shouldn't be > executed when there's a work to flush. * Similar issue exists for kthread_stop(). The kthread shouldn't exit while there's a work to flush (please note that kthread_worker interface allows detaching / attaching worker kthread during operation, so it should remain in consistent state with regard to flushing). Thanks. -- tejun