critical_exit(), td_owepreempt and SW_PREEMPT

[Jeff Roberson]

On Wed, 18 Jul 2007, YAMAMOTO, Taku wrote:

> Greetings,
>
> I had found that critical_exit() calls mi_switch() without SW_PREEMPT
> when td_owepreempt is set.
>
> Should the first argument at that line be SW_INVOL|SW_PREEMPT?

Yes, you're right.  I'll test later and see how this effects perf.  It 
might be an improvement although in most cases there isn't very much 
preempting going on.

Thanks,
Jeff

>
>
> -- 
> YAMAMOTO, Taku <taku at tackymt.homeip.net>
>