[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-m68k
Subject:    Re: [PATCH v2 08/44] cpuidle,imx6: Push RCU-idle into driver
From:       Peter Zijlstra <peterz () infradead ! org>
Date:       2022-09-20 8:58:59
Message-ID: YymA0yJybIWLco/v () hirez ! programming ! kicks-ass ! net
[Download RAW message or body]

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).
[prev in list] [next in list] [prev in thread] [next in thread]