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[06/14] hrtimer: don't rewrite same value to expires_next in hrtimer_force_reprogram()

Message ID 479d66f80874a0dedb97a1e98b40d5130386e880.1395832156.git.viresh.kumar@linaro.org
State New
Headers show

Commit Message

Viresh Kumar March 26, 2014, 11:21 a.m. UTC 
We have just checked that expires_next.tv64 == cpu_base->expires_next.tv64, and
in this case we shouldn't rewrite the same value again. Rewrite code to fix
this.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 kernel/hrtimer.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index e5d81ee..32d1504 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -561,11 +561,11 @@  hrtimer_force_reprogram(struct hrtimer_cpu_base *cpu_base, int skip_equal)
 			expires_next = expires;
 	}
 
-	if (skip_equal && expires_next.tv64 == cpu_base->expires_next.tv64)
+	if (expires_next.tv64 != cpu_base->expires_next.tv64)
+		cpu_base->expires_next.tv64 = expires_next.tv64;
+	else if (skip_equal)
 		return;
 
-	cpu_base->expires_next.tv64 = expires_next.tv64;
-
 	if (cpu_base->expires_next.tv64 != KTIME_MAX)
 		tick_program_event(cpu_base->expires_next, 1);
 }