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Date:	Mon, 26 Jul 2010 18:14:30 +0200
From:	Tejun Heo <tj@...nel.org>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	Oleg Nesterov <oleg@...hat.com>,
	Sridhar Samudrala <sri@...ibm.com>,
	netdev <netdev@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitri Vorobiev <dmitri.vorobiev@...ial.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH UPDATED 1/3] vhost: replace vhost_workqueue with per-vhost
 kthread

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
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