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SubjectRe: [PATCH] x86: Document the hotplug code is incompatible with x86 irq handling
Date
[Removed the Zwane's address from the CC list, because I get rejects from it]

On Friday, 1 June 2007 22:29, Eric W. Biederman wrote:
> "Rafael J. Wysocki" <rjw@sisk.pl> writes:
>
> > Very well, but could you _please_ give us some time to do this?
> >
> > We know of the problem now and will work to fix it, but it's not _that_ easy.
> >
> > In fact, we also rely on the CPU hotplug's code that takes tasks away from the
> > offlined CPUs (and does the opposite with respect to the onlined CPUs), so
> > we just can't get rid of the CPU hotplug _right_ _now_.
>
> Sure. My primary point was to document this, and get things moving if
> possible to fix it. This patch is 2.6.23 at the earliest, so there is
> some time to work on it even on the most optimistic merge schedule.
>
> I just don't want to be complacent and let this problem sit undetected
> in back corner any more.

So, can you advise what we can do to get the "nonboot" CPUs out of the picture
during a suspend/hibernation?

Greetings,
Rafael


--
"Premature optimization is the root of all evil." - Donald Knuth
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