From: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
To: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Gilad Ben-Yossef <gilad@benyossef.com>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [patch 2/4] timers: Consolidate base->next_timer update
Date: Tue, 29 May 2012 12:04:01 +0530 [thread overview]
Message-ID: <87likbxzqe.fsf@abhimanyu.in.ibm.com> (raw)
In-Reply-To: <20120525214819.189946224@linutronix.de>
>
> -static void internal_add_timer(struct tvec_base *base, struct timer_list *timer)
> +static void
> +__internal_add_timer(struct tvec_base *base, struct timer_list *timer)
> {
> unsigned long expires = timer->expires;
> unsigned long idx = expires - base->timer_jiffies;
> @@ -372,6 +373,17 @@ static void internal_add_timer(struct tv
> list_add_tail(&timer->entry, vec);
> }
>
> +static void internal_add_timer(struct tvec_base *base, struct timer_list *timer)
> +{
> + __internal_add_timer(base, timer);
> + /*
> + * Update base->next_timer if this is the earliest one.
> + */
> + if (time_before(timer->expires, base->next_timer) &&
> + !tbase_get_deferrable(timer->base))
> + base->next_timer = timer->expires;
> +}
> +
>
Shouldn't this be like this?
+ /*
+ * Update base->next_timer if this is the earliest one.
+ */
+ if (time_before(timer->expires, base->next_timer) &&
+ !tbase_get_deferrable(timer->base))
+ base->next_timer = timer->expires;
+ __internal_add_timer(base, timer);
As per the below code?
> #ifdef CONFIG_TIMER_STATS
> void __timer_stats_timer_set_start_info(struct timer_list *timer, void *addr)
> {
> @@ -757,9 +769,6 @@ __mod_timer(struct timer_list *timer, un
> }
>
> timer->expires = expires;
> - if (time_before(timer->expires, base->next_timer) &&
> - !tbase_get_deferrable(timer->base))
> - base->next_timer = timer->expires;
> internal_add_timer(base, timer);
>
next prev parent reply other threads:[~2012-05-29 6:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-25 22:08 [patch 0/4] timers: Fix get_next_timer_interrupt() proper Thomas Gleixner
2012-05-25 22:08 ` [patch 2/4] timers: Consolidate base->next_timer update Thomas Gleixner
2012-05-29 6:34 ` Nikunj A Dadhania [this message]
2012-05-29 9:38 ` Thomas Gleixner
2012-05-29 10:35 ` Nikunj A Dadhania
2012-06-06 11:59 ` [tip:timers/core] " tip-bot for Thomas Gleixner
2012-05-25 22:08 ` [patch 1/4] timers: Create detach_if_pending() and use it Thomas Gleixner
2012-06-06 11:58 ` [tip:timers/core] " tip-bot for Thomas Gleixner
2012-05-25 22:08 ` [patch 3/4] timers: Add accounting of non deferrable timers Thomas Gleixner
2012-06-06 12:00 ` [tip:timers/core] " tip-bot for Thomas Gleixner
2012-05-25 22:08 ` [patch 4/4] timers: Improve get_next_timer_interrupt() Thomas Gleixner
2012-06-06 12:01 ` [tip:timers/core] " tip-bot for Thomas Gleixner
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