| Date | Fri, 13 Jan 2023 12:31:13 -0000 | From | "tip-bot2 for Peter Zijlstra" <> | Subject | [tip: sched/core] cpuidle: Annotate poll_idle() |
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The following commit has been merged into the sched/core branch of tip:
Commit-ID: 00717eb8c9557b5fcdd338db6faef532f6991d63 Gitweb: https://git.kernel.org/tip/00717eb8c9557b5fcdd338db6faef532f6991d63 Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Thu, 12 Jan 2023 20:43:30 +01:00 Committer: Ingo Molnar <mingo@kernel.org> CommitterDate: Fri, 13 Jan 2023 11:48:15 +01:00
cpuidle: Annotate poll_idle()
The __cpuidle functions will become a noinstr class, as such they need explicit annotations.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Tested-by: Tony Lindgren <tony@atomide.com> Tested-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Frederic Weisbecker <frederic@kernel.org> Link: https://lore.kernel.org/r/20230112195540.312601331@infradead.org --- drivers/cpuidle/poll_state.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c index 1f578ed..d25ec52 100644 --- 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 cpuidle_device *dev, raw_local_irq_disable(); current_clr_polling(); + instrumentation_end(); return index; }
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