diff mbox

ARM: OMAP2+: PM: Denote the cpuidle tracepoints as _rcuidle()

Message ID 1442554881-706-1-git-send-email-jszhang@marvell.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jisheng Zhang Sept. 18, 2015, 5:41 a.m. UTC
The cpuidle tracepoints are called within a rcu_idle_exit() section, and
must be denoted with the _rcuidle() version of the tracepoint.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
---
 arch/arm/mach-omap2/pm34xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Kevin Hilman Sept. 23, 2015, 5:59 p.m. UTC | #1
Jisheng Zhang <jszhang@marvell.com> writes:

> The cpuidle tracepoints are called within a rcu_idle_exit() section, and
> must be denoted with the _rcuidle() version of the tracepoint.
>
> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
 
Acked-by: Kevin Hilman <khilman@linaro.org>
Tony Lindgren Sept. 23, 2015, 6:08 p.m. UTC | #2
* Kevin Hilman <khilman@kernel.org> [150923 11:03]:
> Jisheng Zhang <jszhang@marvell.com> writes:
> 
> > The cpuidle tracepoints are called within a rcu_idle_exit() section, and
> > must be denoted with the _rcuidle() version of the tracepoint.
> >
> > Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
>  
> Acked-by: Kevin Hilman <khilman@linaro.org>

Hmm is this needed as a fix for the -rc cycle or can this wait
for v4.4?

Regards,

Tony
Jisheng Zhang Sept. 24, 2015, 3:18 a.m. UTC | #3
Dear Tony,

On Wed, 23 Sep 2015 11:08:15 -0700
Tony Lindgren <tony@atomide.com> wrote:

> * Kevin Hilman <khilman@kernel.org> [150923 11:03]:
> > Jisheng Zhang <jszhang@marvell.com> writes:
> > 
> > > The cpuidle tracepoints are called within a rcu_idle_exit() section, and
> > > must be denoted with the _rcuidle() version of the tracepoint.
> > >
> > > Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> >  
> > Acked-by: Kevin Hilman <khilman@linaro.org>
> 
> Hmm is this needed as a fix for the -rc cycle or can this wait
> for v4.4?

IMHO, this is a fix. But it can wait for v4.4 merge window.

Thanks,
Jisheng
Tony Lindgren Oct. 12, 2015, 11:10 p.m. UTC | #4
* Jisheng Zhang <jszhang@marvell.com> [150923 20:26]:
> Dear Tony,
> 
> On Wed, 23 Sep 2015 11:08:15 -0700
> Tony Lindgren <tony@atomide.com> wrote:
> 
> > * Kevin Hilman <khilman@kernel.org> [150923 11:03]:
> > > Jisheng Zhang <jszhang@marvell.com> writes:
> > > 
> > > > The cpuidle tracepoints are called within a rcu_idle_exit() section, and
> > > > must be denoted with the _rcuidle() version of the tracepoint.
> > > >
> > > > Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> > >  
> > > Acked-by: Kevin Hilman <khilman@linaro.org>
> > 
> > Hmm is this needed as a fix for the -rc cycle or can this wait
> > for v4.4?
> 
> IMHO, this is a fix. But it can wait for v4.4 merge window.

Applying into omap-for-v4.4/fixes thanks.

Tony
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 87b98bf9..2dbd378 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -301,11 +301,11 @@  static void omap3_pm_idle(void)
 	if (omap_irq_pending())
 		return;
 
-	trace_cpu_idle(1, smp_processor_id());
+	trace_cpu_idle_rcuidle(1, smp_processor_id());
 
 	omap_sram_idle();
 
-	trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
+	trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
 }
 
 #ifdef CONFIG_SUSPEND