Re: [GIT PULL arm] Use _rcuidle tracepoints to allow tracing from idle

From: Paul E. McKenney
Date: Wed Jun 08 2016 - 11:16:19 EST


On Wed, Jun 08, 2016 at 03:33:50PM +0200, Ingo Molnar wrote:
>
> * Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
>
> > On Thu, May 26, 2016 at 09:26:06AM -0700, Paul E. McKenney wrote:
> > > Hello, Ingo,
> > >
> > > This series changes a number of event tracepoints to their _rcuidle() form
> > > to allow use from idle without lockdep-RCU complaints, a straightforward
> > > modification that has been successfully applied many times. These splats
> > > were found in testing by Guenter Roeck and Tony Lindgren, who have
> > > both successfully tested the full series. Tony asked that I carry these
> > > in -rcu:
> > >
> > > http://lkml.kernel.org/g/20160426213630.GV5995@xxxxxxxxxxx
> > >
> > > These have been posted to LKML, CCing relevant maintainers, who have
> > > not objected to the proposed changes:
> > >
> > > http://lkml.kernel.org/g/20160516184844.GA20144@xxxxxxxxxxxxxxxxxx
> > >
> > > These maintainers are also CCed on this pull request.
> > >
> > > They have also been subjected to 0day Test Robot and -next testing.
> >
> > And this time actually including the pull request... :-/
> >
> > Thanx, Paul
> >
> > These changes are available in the git repository at:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git for-mingo
> >
> > for you to fetch changes up to e7c38dda94b23965a3eb46ef4656bb8cb921933d:
> >
> > arm: Use _rcuidle suffix to allow clk_core_enable() to used from idle (2016-05-18 11:55:29 -0700)
> >
> > ----------------------------------------------------------------
> > Paul E. McKenney (6):
> > arm: Use _rcuidle tracepoint to allow use from idle
> > arm: Use _rcuidle for suspend/resume tracepoints
> > arm: Add _rcuidle tracepoints to allow clk_core_disable() use from idle
> > arm: Add _rcuidle suffix to allow rpm_idle() use from idle
> > arm: Add _rcuidle suffix to allow rpm_resume() to be called from idle
> > arm: Use _rcuidle suffix to allow clk_core_enable() to used from idle
> >
> > arch/arm/kernel/smp.c | 2 +-
> > arch/arm/mach-omap2/powerdomain.c | 9 +++++----
> > drivers/base/power/runtime.c | 14 +++++++-------
> > drivers/clk/clk.c | 8 ++++----
> > 4 files changed, 17 insertions(+), 16 deletions(-)
>
> Just wondering, wouldn't it be better for Russell to pull/apply, as it appears to
> be a mostly ARM patch-set?

Fair enough -- I can always repost the patches to their respective
maintainers if you are in any way uncomfortable taking them. The patches
do not depend on each other.

Thanx, Paul