Re: [PATCH] Do not force shutdown/reboot to boot cpu.

[Paul Mackerras]

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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