Re: [RFC][PATCH] avoid cpu hot remove of cpus which have special RTtasks.

From: KAMEZAWA Hiroyuki
Date: Sat Jun 17 2006 - 04:59:43 EST


On Sat, 17 Jun 2006 18:48:59 +1000
Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:

> KAMEZAWA Hiroyuki wrote:

> > So, I think "stop mis-configurated process" can be one way for handling such apps.
> >
> > For example)
> > After exchanging broken cpu, the application can continue its work with the
> > same # of cpus.
>
> OK I can see what you're trying to achieve, but I don't know that it is
> worthwhile. Userspace is doing something wrong, and it isn't normally the
> kernel's job to detect that.
>
> When something like this comes up, sticking to the simplest semantics is
> often best.
>
> That said, it isn't a great deal of code to maintain, and not "incorrect"
> as such. So if you convince Ingo to pick it up, I wouldn't complain.
>
Thank you for discussing.
I'll rewrite text in the patch to reflect my point clearer.
and post again

Regards,
-Kame

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