On Tue, Sep 20, 2022 at 10:58:59AM +0200, Peter Zijlstra wrote: > 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).
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