Commit-ID: 174bd1994ec67a6e6191c4ed8e5dac17fa221b84
Gitweb: http://git.kernel.org/tip/174bd1994ec67a6e6191c4ed8e5dac17fa221b84
Author: Stanislaw Gruszka <stf_xl@xxxxx>
AuthorDate: Tue, 25 May 2010 23:49:12 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 26 May 2010 16:15:37 +0200
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@xxxxx>
LKML-Reference: <20100525214912.GA1934@xxxxxxxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/hrtimer.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index b9b134b..5c69e99 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));
--
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