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[v3,0/2] cpu_pm: cpu_pm_notifier_chain vs PREEMPT_RT

Message ID 20210811201432.1976916-1-valentin.schneider@arm.com
Headers show
Series cpu_pm: cpu_pm_notifier_chain vs PREEMPT_RT | expand

Message

Valentin Schneider Aug. 11, 2021, 8:14 p.m. UTC 
Hi folks,

This is v3 of:

  http://lore.kernel.org/r/20210811131405.1731576-1-valentin.schneider@arm.com

which addresses cpu_pm's notifier chain not playing nice with PREEMPT_RT.

Revisions
=========

v1 -> v2
++++++++

o Reword changelog; clarify comments (Sebastian)
o Delete atomic_notifier_call_chain_robust() (Sebastian)

Valentin Schneider (2):
  cpu_pm: Make notifier chain use a raw_spinlock_t
  notifier: Remove atomic_notifier_call_chain_robust()

 include/linux/notifier.h |  2 --
 kernel/cpu_pm.c          | 50 ++++++++++++++++++++++++++++++----------
 kernel/notifier.c        | 19 ---------------
 3 files changed, 38 insertions(+), 33 deletions(-)

Comments

Rafael J. Wysocki Aug. 16, 2021, 4:56 p.m. UTC | #1 
On Thu, Aug 12, 2021 at 9:13 AM Sebastian Andrzej Siewior
<bigeasy@linutronix.de> wrote:
>

> On 2021-08-11 21:14:30 [+0100], Valentin Schneider wrote:

> > Hi folks,

> >

> > This is v3 of:

> >

> >   http://lore.kernel.org/r/20210811131405.1731576-1-valentin.schneider@arm.com

> >

> > which addresses cpu_pm's notifier chain not playing nice with PREEMPT_RT.

>

> Thank you.

> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>


Both patches applied as 5.15 material, thanks!