On Tue, 4 Apr 2017 07:54:12 +1000 Anton Blanchard <an...@ozlabs.org> wrote:
> From: Anton Blanchard <an...@samba.org> > > The core of snooze_loop() continually bounces between low and very > low thread priority. Changing thread priorities is an expensive > operation that can negatively impact other threads on a core. > > All CPUs that can run PowerNV support very low priority, so we can > avoid the change completely. This looks good. I have HMT_lowest() which does alt feature patching we can use for pseries and default idle code.
