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SubjectRe: [GIT PULL] RCU changes for v3.3
On Tue, Jan 24, 2012 at 05:36:04PM -0800, Paul E. McKenney wrote:
> On Tue, Jan 24, 2012 at 11:51:24PM +0000, Mark Brown wrote:

> > Well, that depends. Anything you're actually accomplishing when you're
> > optimising at that level is at the less than a milliwatt level.

> OK, good point.

> In the meantime, here are some alleged fixes for the corresponding bug in
> the ARM tree. Some of these are "interesting" in the sense that RCU can
> be used more deeply in the idle loop than I would believe to be safe,
> for example, via locking->lockdep->RCU after some interesting pieces
> of hardware have been shut off. I took my best guess and commented the
> ones that I am least sure of.

> Thoughts? Other than I need to CC a cast of thousands? (I cannot break
> this up without having git bisect points with busted RCU on ARM.)

Not really - I don't know ARM CPU side stuff in any detail, I mostly
work on things external to the SoCs.
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