The FIFO guarantee has been violated by the introduction of timer slack already. Remove it.
This is a preparatory patch for converting the timer wheel to hlist which reduces the memory foot print of the wheel by 50%. It's a seperate patch so any (unlikely to happen) regression caused by this can be identified clearly. Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/time/timer.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) Index: tip/kernel/time/timer.c =================================================================== --- tip.orig/kernel/time/timer.c +++ tip/kernel/time/timer.c @@ -403,10 +403,8 @@ __internal_add_timer(struct tvec_base *b i = (expires >> (TVR_BITS + 3 * TVN_BITS)) & TVN_MASK; vec = base->tv5.vec + i; } - /* - * Timers are FIFO: - */ - list_add_tail(&timer->entry, vec); + + list_add(&timer->entry, vec); } static void internal_add_timer(struct tvec_base *base, struct timer_list *timer) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
