On Thu 2018-12-27 16:41:50, David Wang wrote: > For new Centaur CPUs the ucode will take care of the preservation of cache > coherence > between CPU cores in C-states regardless of how deep the C-states are. So, it > is not > necessary to flush the caches in software befor entering C3. And this useless > operation > will cause performance drop for the cores which share some caches with the > idling core. > > Signed-off-by: David Wang <[email protected]> > Reviewed-by: Thomas Gleixner <[email protected]>
Acked-by: Pavel Machek <[email protected]> -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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