On Tue, Aug 16, 2011 at 09:19:12AM +0200, Guennadi Liakhovetski wrote: > On Tue, 16 Aug 2011, Simon Horman wrote: > > > This avoids the need to look up the masks each time an interrupt > > is handled. > > Yes, almost... But I think, we can use the mask-caches even more > extensively. In your patch you actually hardly gain anything, you continue > reading the mask register instead of using the cache. Namely:
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