From 02972d7955341b711d4c392f14faa9f9cd69d551 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 25 Apr 2023 20:49:22 +0200 Subject: posix-timers: Clarify posix_timer_rearm() comment Yet another incomprehensible piece of art. Signed-off-by: Thomas Gleixner Reviewed-by: Frederic Weisbecker Link: https://lore.kernel.org/r/20230425183313.724863461@linutronix.de --- kernel/time/posix-timers.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'kernel/time/posix-timers.c') diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index c8b0f52e5eb6..d8d2169408f4 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) { -- cgit v1.2.3