Messages in this thread |  | | | Date | Thu, 8 Dec 2005 01:28:44 -0500 | | From | Dave Jones <> | | Subject | Re: for_each_online_cpu broken ? |
On Thu, Dec 08, 2005 at 04:22:05PM +1000, Nigel Cunningham wrote:
> > Yep, I noticed it offers a maximum of 6 cpus on my way. > > As a sidenote, seems kinda funny (and wasteful maybe?), doing this > > on a lot of hardware that isn't hotplug capable. (Whilst I could > > disable cpu hotplug in my local build, this isn't an answer for > > a generic distro kernel). > > Both suspend to disk (and suspend to ram?) implementations now depend on > hotplug_cpu to enable extra cpus, so there is at least one reason for > them to want hotplug support in a generic kernel.
You mean suspend -> plug in a new cpu -> resume transitions ? That sounds *terrifying*.
Dave
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