Re: [PATCH 1/1] hotplug cpu: migrate a task within its cpuset

From: Andrew Morton
Date: Tue May 29 2007 - 15:33:10 EST


On Thu, 24 May 2007 09:56:01 +0200
Ingo Molnar <mingo@xxxxxxx> wrote:

>
> * Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> > > When a cpu is disabled, move_task_off_dead_cpu() is called for tasks
> > > that have been running on that cpu.
> >
> > So I still have these three patches in the pending queue but I was
> > rather hoping that the scheduler, sched-domains and cpuset people
> > could take a look at them, please.
> >
> > They hit sched.c and cpuset.c mainly, and they might trash Ingo's CFS
> > patch (I haven't checked).
>
> The patch looks good to me. It applies cleanly ontop of CFS and it
> builds and boots fine with and without CONFIG_CPU_HOTPLUG (although i
> havent tried to explicitly stress the codepath in question). We are a
> bit paranoid in this codepath but it's not performance-critical
> normally.
>
> Acked-by: Ingo Molnar <mingo@xxxxxxx>
>

I applied this to -mm, thanks.

The other two patches don't apply well to the current pending patch queue
and nobody seems keen on doing a serious review (or any review, iirc), so I
ducked them.

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