renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-11-18 23:54:26 +08:00
Code

hrtimer: Avoid double seqlock

Browse Source 
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>
This commit is contained in:
Stanislaw Gruszka 2010-05-25 23:49:12 +02:00 committed by Thomas Gleixner
parent 2abfb9e1d4
commit 174bd1994e
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/hrtimer.c
View File

@ -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));