aboutsummaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
authorStanislaw Gruszka <stf_xl@wp.pl>2010-05-25 23:49:12 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-05-26 16:15:37 +0200
commit174bd1994ec67a6e6191c4ed8e5dac17fa221b84 (patch)
tree1f1d80d40787dddff4a0b8bc63e70ad2c2981c5c /kernel
parent2abfb9e1d470f7082e5e20e4b11a271a0124211b (diff)
downloadmrst-s0i3-test-174bd1994ec67a6e6191c4ed8e5dac17fa221b84.tar.gz
mrst-s0i3-test-174bd1994ec67a6e6191c4ed8e5dac17fa221b84.tar.xz
mrst-s0i3-test-174bd1994ec67a6e6191c4ed8e5dac17fa221b84.zip
hrtimer: Avoid double seqlock
hrtimer_get_softirq_time() has it's own xtime lock protection, so it's safe to use plain __current_kernel_time() and avoid the double seqlock loop. Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> LKML-Reference: <20100525214912.GA1934@r2bh72.net.upc.cz> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/hrtimer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index b9b134b3508..5c69e996bd0 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -89,7 +89,7 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base)
do {
seq = read_seqbegin(&xtime_lock);
- xts = current_kernel_time();
+ xts = __current_kernel_time();
tom = wall_to_monotonic;
} while (read_seqretry(&xtime_lock, seq));