On Tue, May 8, 2018 at 12:34 PM, Viresh Kumar <viresh.ku...@linaro.org> wrote: > On 08-05-18, 11:02, Quentin Perret wrote: >> The sugov kthreads are DL tasks so they're not impacted by EAS. But even >> if you take EAS out of the picture, those kthreads are assigned to a >> "random" CPU at boot time and stay there forever (because that's how DL >> works). Is this what we want ? > > Okay, I didn't knew that DL threads don't migrate at all. I don't > think that's what we want then specially for big LITTLE platforms. But > for the rest, I don't know. Take example of Qcom krait. Each CPU has a > separate policy, why shouldn't we allow other CPUs to run the kthread?
Because that makes things more complex and harder to debug in general. What's the exact reason why non-policy CPUs should ever run the sugov kthread for the given policy?
