This is a tiny, but important, patch to vhost.
Vhost's worker thread only called schedule() when it had no work to do, and
it wanted to go to sleep. But if there's always work to do, e.g., the guest
is running a network-intensive program like netperf with small message sizes,
schedule() was *never
On 02/27/2012 03:07 PM, Nadav Har'El wrote:
> This is a tiny, but important, patch to vhost.
>
> Vhost's worker thread only called schedule() when it had no work to do, and
> it wanted to go to sleep. But if there's always work to do, e.g., the guest
> is running a network-intensive program like ne
On Tue, Feb 28, 2012, Avi Kivity wrote about "Re: [PATCH] vhost: don't forget
to schedule()":
> > + if (need_resched())
> > + schedule();
>
> This is cond_resched(), no?
It indeed looks similar, but it appears there a
On 02/28/2012 04:00 PM, Nadav Har'El wrote:
> On Tue, Feb 28, 2012, Avi Kivity wrote about "Re: [PATCH] vhost: don't forget
> to schedule()":
> > > + if (need_resched())
> > > + schedule();
> >
> >
On Tue, Feb 28, 2012, Avi Kivity wrote about "Re: [PATCH] vhost: don't forget
to schedule()":
> > > > + if (need_resched())
> > > > + schedule();
> > > This is cond_resched(), no?
> >
>
On Sun, Mar 04, 2012 at 11:10:01AM +0200, Nadav Har'El wrote:
> On Tue, Feb 28, 2012, Avi Kivity wrote about "Re: [PATCH] vhost: don't forget
> to schedule()":
> > > > > + if (need_resched())
> > > > > +
On Sun, Mar 04, 2012, Michael S. Tsirkin wrote about "Re: [PATCH] vhost: don't
forget to schedule()":
> On Sun, Mar 04, 2012 at 11:10:01AM +0200, Nadav Har'El wrote:
> > On Tue, Feb 28, 2012, Avi Kivity wrote about "Re: [PATCH] vh
