| Date | Mon, 05 Jun 2023 15:08:26 -0000 | From | "tip-bot2 for Thomas Gleixner" <> | Subject | [tip: timers/core] posix-timers: Clarify posix_timer_rearm() comment |
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The following commit has been merged into the timers/core branch of tip:
Commit-ID: 93a62291070d2836b7cbaf20febadae6ae33934a Gitweb: https://git.kernel.org/tip/93a62291070d2836b7cbaf20febadae6ae33934a Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Tue, 25 Apr 2023 20:49:22 +02:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Mon, 05 Jun 2023 17:03:38 +02:00
posix-timers: Clarify posix_timer_rearm() comment
Yet another incomprehensible piece of art.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Link: https://lore.kernel.org/r/20230425183313.724863461@linutronix.de
--- kernel/time/posix-timers.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index fb92036..f1a7c62 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -275,15 +275,9 @@ static void common_hrtimer_rearm(struct k_itimer *timr) } /* - * This function is exported for use by the signal deliver code. It is - * called just prior to the info block being released and passes that - * block to us. It's function is to update the overrun entry AND to - * restart the timer. It should only be called if the timer is to be - * restarted (i.e. we have flagged this in the sys_private entry of the - * info block). - * - * To protect against the timer going away while the interrupt is queued, - * we require that the it_requeue_pending flag be set. + * This function is called from the signal delivery code if + * info->si_sys_private is not zero, which indicates that the timer has to + * be rearmed. Restart the timer and update info::si_overrun. */ void posixtimer_rearm(struct kernel_siginfo *info) {
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