Re: [PATCH UPDATED 1/3] vhost: replace vhost_workqueue withper-vhost kthread

[Michael S. Tsirkin]

On Mon, Jul 26, 2010 at 05:46:30PM +0200, Tejun Heo wrote:
> On 07/26/2010 05:34 PM, Tejun Heo wrote:
> > Hello,
> > 
> > On 07/26/2010 05:25 PM, Michael S. Tsirkin wrote:
> >> BTW, kthread_worker would benefit from the optimization I implemented
> >> here as well.
> > 
> > Hmmm... I'm not quite sure whether it's an optimization.  I thought
> > the patch was due to feeling uncomfortable about using barriers?  Is
> > it an optimization?
> 
> Yeah, one less smp_mb() in execution path.  The lock dancing in
> flush() is ugly but then again mucking with barriers could be harder
> to understand.  Care to send a patch against wq#for-next tree?
> 
> Thanks.

Sure. Where's that, exactly?

> -- 
> tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/