Re: [PATCH 0/3] sched: Fix wakeup preemption regression

From: Pavan Kondeti
Date: Thu May 12 2016 - 05:56:59 EST


Hi Peter,

On Tue, May 10, 2016 at 11:13 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> A recent commit caused an interactivity/starvation issue because we wrecked rq
> local wakeup preemption.
>
> These patches rectify this while also (hopefully) keeping the problem that led
> to the fault patch fixed.
>
> Mike, Pavan, could you guys please confirm?
>
>

I tested with your latest patches. The original problem (migrated
task's vruntime falling
beyond the min_vruntime) is not reproducible.

Thanks,
Pavan

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