Messages in this thread | | | Date | Thu, 1 May 2008 18:23:30 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 1/11] Add generic helpers for arch IPI function calls |
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>>> Something like this will close the window to right up until the point >>> where the other CPUs have 'almost' called halt(). >> >> Now I took a look at context... why not simply use same trick swsusp >> uses, and do a hot unplug of all cpus at the end of shutdown? > .. > > That's the current existing workaround for this bug, > but not everybody has cpu hotplug in their config, > and this bug should still get fixed.
Ok... alternative solution is to keep cpu hotplug always enabled. Suspend & hibernation seems to need it, anyway, and dupliating code between cpu hotplug and shutdown does not look _that_ attractive.
Pavel
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