On Mon, Sep 19, 2022 at 04:21:23PM +0200, Frederic Weisbecker wrote:
On Mon, Sep 19, 2022 at 11:59:47AM +0200, Peter Zijlstra wrote:
Doing RCU-idle outside the driver, only to then temporarily enable it
again, at least twice, before going idle is daft.
Hmm, what ends up calling RCU_IDLE() here? Also what about
cpu_do_idle()?
I've ammended patches 5-12 with a comment like:
Notably both cpu_pm_enter() and cpu_cluster_pm_enter() implicity
re-enable RCU.
(each noting the specific sites for the relevant patch).
