Messages in this thread | | | Date | Thu, 11 Apr 2013 15:31:06 +1000 | From | Paul Mackerras <> | Subject | Re: [PATCH] Do not force shutdown/reboot to boot cpu. |
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On Wed, Apr 10, 2013 at 08:10:05AM -0700, Linus Torvalds wrote: > The optimal solution would be to just speed up the > disable_nonboot_cpus() code so much that it isn't an issue. That would > be good for suspending too, although I guess suspend isn't a big issue > if you have a thousand CPU's. > > Has anybody checked whether we could do the cpu_down() on non-boot > CPU's in parallel? Right now we serialize the thing completely, with
I thought Srivatsa S. Bhat had a patchset that did exactly that. Srivatsa?
Paul.
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