提交 64ce4c2f 编写于 作者: J John Stultz 提交者: Thomas Gleixner

time: Clean up warp_clock()

warp_clock() currently accesses timekeeping internal state directly, which
is unnecessary.  Convert it to use the proper timekeeping interfaces.
Signed-off-by: NJohn Stultz <johnstul@us.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
上级 c2873937
......@@ -133,12 +133,11 @@ SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
*/
static inline void warp_clock(void)
{
write_seqlock_irq(&xtime_lock);
wall_to_monotonic.tv_sec -= sys_tz.tz_minuteswest * 60;
xtime.tv_sec += sys_tz.tz_minuteswest * 60;
update_xtime_cache(0);
write_sequnlock_irq(&xtime_lock);
clock_was_set();
struct timespec delta, adjust;
delta.tv_sec = sys_tz.tz_minuteswest * 60;
delta.tv_nsec = 0;
adjust = timespec_add_safe(current_kernel_time(), delta);
do_settimeofday(&adjust);
}
/*
......
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