Messages in this thread | | | Date | Tue, 20 Sep 2022 10:58:59 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v2 08/44] cpuidle,imx6: Push RCU-idle into driver |
| |
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).
| |