linux-kernel - [PATCH V2 13/36] hrtimer: don't check state of base->hres_active in hrtimer_switch_to

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Date:	Fri,  4 Apr 2014 12:05:56 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	tglx@...utronix.de
Cc:	linaro-kernel@...ts.linaro.org, fweisbec@...il.com,
	linaro-networking@...aro.org, Arvind.Chauhan@....com,
	linux-kernel@...r.kernel.org,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH V2 13/36] hrtimer: don't check state of base->hres_active in hrtimer_switch_to_hres()

Caller of hrtimer_switch_to_hres(), i.e. hrtimer_run_pending(), has already
verified this by calling hrtimer_hres_active() and so we don't need to do it
again in hrtimer_switch_to_hres().

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 kernel/hrtimer.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index ad5b7ba..476ad5d 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -690,9 +690,6 @@ static int hrtimer_switch_to_hres(void)
 	struct hrtimer_cpu_base *base = &per_cpu(hrtimer_bases, cpu);
 	unsigned long flags;
 
-	if (base->hres_active)
-		return 1;
-
 	local_irq_save(flags);
 
 	if (tick_init_highres()) {
-- 
1.7.12.rc2.18.g61b472e

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