Re: [Xen-devel] [PATCH v3] xen:rtds: Fix bug in budget accounting

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Oct 27, 2016 at 10:54:23AM +0200, Dario Faggioli wrote:
> On Wed, 2016-10-26 at 15:06 -0400, Meng Xu wrote:
> > Fix:
> > We keeps last_start always within the current period for a VCPU, so
> > that
> > we only deduct the time spent in the current period from the VCPU
> > budget.
> > We always update last_start whenever we update cur_deadline for a
> > VCPU.
> > 
> > Signed-off-by: Meng Xu <mengxu@xxxxxxxxxxxxx>
> > Reported-by: Dagaen Golomb <dgolomb@xxxxxxxxxxxxx>
> > 
> Acked-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> 
> Thanks.
> 
> Ehi, Wei. As said yesterday on IRC about the other patch:
>  - this is a bugfix
>  - this is a super-self contained change (all within RTDS)
>  - RTDS is Experimental
>  - it brings value, as it removes a subtle but annoying
>    behavioral bug in the scheduler
> 
> So, I know it's late, but if still possible, I think we should have it
> in 4.8.
> 

Applied.

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