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time: Clean up warp_clock()

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warp_clock() currently accesses timekeeping internal state directly, which
is unnecessary.  Convert it to use the proper timekeeping interfaces.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
John Stultz 2010-03-11 14:04:47 -08:00 committed by Thomas Gleixner
parent c28739375b
commit 64ce4c2f52
1 changed files with 5 additions and 6 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

11
kernel/time.c
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@ -133,12 +133,11 @@ SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
*/ */
static inline void warp_clock(void) static inline void warp_clock(void)
{ {
write_seqlock_irq(&xtime_lock); struct timespec delta, adjust;
wall_to_monotonic.tv_sec -= sys_tz.tz_minuteswest * 60; delta.tv_sec = sys_tz.tz_minuteswest * 60;
xtime.tv_sec += sys_tz.tz_minuteswest * 60; delta.tv_nsec = 0;
update_xtime_cache(0); adjust = timespec_add_safe(current_kernel_time(), delta);
write_sequnlock_irq(&xtime_lock); do_settimeofday(&adjust);
clock_was_set();
} }
/* /*