| From | Thomas Gleixner <> | Subject | [patch 17/20] posix-timers: Clarify posix_timer_rearm() comment | Date | Tue, 25 Apr 2023 20:49:22 +0200 (CEST) |
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Yet another incomprehensible piece of art.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- kernel/time/posix-timers.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-)
--- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -274,15 +274,9 @@ static void common_hrtimer_rearm(struct } /* - * 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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