Re: [PATCH 12/35] clockevents: Provide explicit broadcast control function

From: Tony Lindgren
Date: Mon Feb 23 2015 - 19:53:14 EST

* Peter Zijlstra <peterz@xxxxxxxxxxxxx> [150216 05:13]:
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> clockevents_notify() is a leftover from the early design of the
> clockevents facility. It's really not a notification mechanism, it's a
> multiplex call. We are way better off to have explicit calls instead of this
> monstrosity.
> Split out the broadcast control into a separate function and provide
> inline helpers. Switch clockevents_notify() over. This will go away
> once all callers are converted.
> This also gets rid of the nested locking of clockevents_lock and
> broadcast_lock. The broadcast control functions do not require
> clockevents_lock. Only the managing functions
> (setup/shutdown/suspend/resume of the broadcast device require
> clockevents_lock.

Seems to still behave for my off-idle PM tests after a quick
try on Peter's timers/core branch. Might be too late, but just
in case it's not:

Tested-by: Tony Lindgren <tony@xxxxxxxxxxx>
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