On Sat, 17 Jun 2006 17:29:32 +1000
Nick Piggin <[email protected]> wrote:
> > As SIGSTOP/KILL patch I posted, the apps shouldn't do unexpected
> > work, I think.
>
> I don't quite understand you here... the kernel doesn't need to enforce
> anything but a dumb fallback policy where userspace is otherwise capable
> of handling it themselves.
If all things about apps are properly maintained/managed, it is reconfigured
by the user/system admin *before* cpu hotremove.
The case "the kernel have to move the task to other cpu which user doesn't want"
means the application is already broken.
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.
-Kame
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