diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-04-25 20:49:22 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2023-06-18 22:41:52 +0200 |
| commit | 02972d7955341b711d4c392f14faa9f9cd69d551 (patch) | |
| tree | 07c263909d4e83c503064253cff5966c0e558c77 /kernel/time | |
| parent | c575689d66378611bb04137b96e67ebb3ac8482b (diff) | |
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
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/posix-timers.c | 12 |
1 files changed, 3 insertions, 9 deletions
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) { |