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Wysocki" , Ulf Hansson Subject: [PATCH v3 16/51] cpuidle: Annotate poll_idle() References: <20230112194314.845371875@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Stat-Signature: bixn9k8opdi6t4daxi1koaqsq7ifd8sa X-Rspam-User: X-Rspamd-Queue-Id: B29F3A0012 X-Rspamd-Server: rspam06 X-HE-Tag: 1673558362-819818 X-HE-Meta: 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 JDvwFnkP 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 49YxT4zn 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 qDi/Fhmf 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 VB5HcmCY oyq8csvLkxlAkH9qpm9sUww1qo+a5x/hjbNXoHaEO3gHRNC3v7tZB6mr5x0LJEyeLPN32WFRwf2Cf+D9p/NGLiPdl8b+3jRC3P/74wkAq6bthpp9Yf/4+ejQkDvgIPxvyZbAivK+TxjEmy1Ndl9Q5M X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The __cpuidle functions will become a noinstr class, as such they need explicit annotations. Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Rafael J. Wysocki Acked-by: Frederic Weisbecker Tested-by: Tony Lindgren Tested-by: Ulf Hansson --- 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; }