Re: [patch -rt 1/2] KVM: use simple waitqueue for vcpu->wq

Marcelo Tosatti
2015-02-27T00:23:57Z

On Tue, Feb 17, 2015 at 06:44:19PM +0100, Sebastian Andrzej Siewior wrote:
> * Peter Zijlstra | 2015-01-21 16:07:16 [+0100]:
>
> >On Tue, Jan 20, 2015 at 01:16:13PM -0500, Steven Rostedt wrote:
> >> I'm actually wondering if we should just nuke the _interruptible()
> >> version of swait. As it should only be all interruptible or all not
> >> interruptible, that the swait_wake() should just do the wake up
> >> regardless. In which case, swait_wake() is good enough. No need to have
> >> different versions where people may think do something special.
> >>
> >> Peter?
> >
> >Yeah, I think the lastest thing I have sitting here on my disk only has
> >the swake_up() which does TASK_NORMAL, no choice there.
>
> what is the swait status in terms of mainline? This sounds like it
> beeing worked on.
> I could take the series but then I would drop it again if the mainline
> implementation changes…

Hi Sebastian,

No, you would just adjust it to the upstream kernel interfaces, as the rest of
the -rt users of the swait interfaces.

Can you please include the series?

Thanks