Re: [RFC PATCH] sched/cpufreq/schedutil: handling urgent frequency requests

From: Viresh Kumar
Date: Wed May 09 2018 - 02:55:01 EST

On 09-05-18, 08:45, Juri Lelli wrote:
> On 08/05/18 21:54, Joel Fernandes wrote:
> Isn't this potentially introducing unneeded irq pressure (and doing the
> whole wakeup the kthread thing), while the already active kthread could
> simply handle multiple back-to-back requests before going to sleep?

And then we may need more instances of the work item and need to store
a different value of next_freq with each work item, as we can't use
the common one anymore as there would be races around accessing it ?