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| author | John Stultz <johnstul@us.ibm.com> | 2010-03-11 14:04:47 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-03-12 22:40:42 +0100 |
| commit | 64ce4c2f5252f25798117fa80a027993163d6d84 (patch) | |
| tree | 31aa86362e27a9a83958cf789ed31d4e674aa5ff /kernel/time.c | |
| parent | c28739375bf0d6e239b4fa939ec8372aa2c707d2 (diff) | |
| download | lwn-64ce4c2f5252f25798117fa80a027993163d6d84.tar.gz lwn-64ce4c2f5252f25798117fa80a027993163d6d84.zip | |
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: 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>
Diffstat (limited to 'kernel/time.c')
| -rw-r--r-- | kernel/time.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/kernel/time.c b/kernel/time.c index 804798005d19..2358a3646a63 100644 --- a/kernel/time.c +++ b/kernel/time.c @@ -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); } /* |