| Message ID | 20220608144517.061583457@infradead.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | cpuidle,rcu: Cleanup the mess | expand |
On Wed, Jun 8, 2022 at 4:46 PM Peter Zijlstra <peterz@infradead.org> wrote: > > The __cpuidle functions will become a noinstr class, as such they need > explicit annotations. > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > --- > drivers/cpuidle/poll_state.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > --- a/drivers/cpuidle/poll_state.c > +++ b/drivers/cpuidle/poll_state.c > @@ -13,7 +13,10 @@ > static int __cpuidle poll_idle(struct cpuidle_device *dev, > struct cpuidle_driver *drv, int index) > { > - u64 time_start = local_clock(); > + u64 time_start; > + > + instrumentation_begin(); > + time_start = local_clock(); > > dev->poll_time_limit = false; > > @@ -39,6 +42,7 @@ static int __cpuidle poll_idle(struct cp > raw_local_irq_disable(); > > current_clr_polling(); > + instrumentation_end(); > > return index; > } > >
--- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -13,7 +13,10 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - u64 time_start = local_clock(); + u64 time_start; + + instrumentation_begin(); + time_start = local_clock(); dev->poll_time_limit = false; @@ -39,6 +42,7 @@ static int __cpuidle poll_idle(struct cp raw_local_irq_disable(); current_clr_polling(); + instrumentation_end(); return index; }
The __cpuidle functions will become a noinstr class, as such they need explicit annotations. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- drivers/cpuidle/poll_state.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)