Re: [Xen-devel] [PATCH] Add a timer mode that disables pending missed ticks

[Dave Winchell <dwinchell@xxxxxxxxxxxxxxx>]

Keir Fraser wrote:

> On 3/11/07 21:17, "Dave Winchell" <dwinchell@xxxxxxxxxxxxxxx> wrote:
>
>  
>
> > Thanks for applying the fixes in the last submit.
> > In moving the test for no_missed_tick_accounting into
> > pt_process_missed_ticks()
> > you forgot to add the scheduling part.
> >    
> Actually it was deliberate, but clearly it was one code simplification too
> far: thanks for spotting it! I'll go the async route, but we do need to set
> pending_intr_nr to 1. We can't leave that out -- the point of the async
> route is to send a tick to the vcpu immediately, since it hasn't had one for
> more than a tick period. If we wait for the timeout to do that then we have
> to wait a whole extra period after the vcpu is re-scheduled.
>
> Attached is my proposed patch. I think it's quite neat. :-)
>  
It looks good to me.

thanks,
Dave

> -- Keir
>
>  

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