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SubjectRe: [PATCH RFC] rcu: Limit GP initialization to CPUs that have been online
On Wed, Mar 14, 2012 at 01:40:41PM +0100, Mike Galbraith wrote:
> On Wed, 2012-03-14 at 10:24 +0100, Mike Galbraith wrote:
> > On Tue, 2012-03-13 at 17:24 -0700, Paul E. McKenney wrote:
> > > The following builds, but is only very lightly tested. Probably full
> > > of bug, especially when exercising CPU hotplug.
> >
> > You didn't say RFT, but...
> >
> > To beat on this in a rotund 3.0 kernel, the equivalent patch would be
> > the below? My box may well answer that before you can.. hope not ;-)
>
> (Darn, it did. Box says boot stall with virgin patch in tip too though.
> Wedging it straight into 3.0 was perhaps a tad premature;)

I saw the same thing with 3.3.0-rc7+ and virgin patch on UV. Boots fine without the patch.


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