diff options
Diffstat (limited to 'arch/x86_64/kernel/time.c')
| -rw-r--r-- | arch/x86_64/kernel/time.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 1c255ee76e7..557e92af7be 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -77,7 +77,6 @@ unsigned long long monotonic_base; struct vxtime_data __vxtime __section_vxtime; /* for vsyscalls */ volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES; -unsigned long __wall_jiffies __section_wall_jiffies = INITIAL_JIFFIES; struct timespec __xtime __section_xtime; struct timezone __sys_tz __section_sys_tz; @@ -119,7 +118,7 @@ unsigned int (*do_gettimeoffset)(void) = do_gettimeoffset_tsc; void do_gettimeofday(struct timeval *tv) { - unsigned long seq, t; + unsigned long seq; unsigned int sec, usec; do { @@ -136,10 +135,7 @@ void do_gettimeofday(struct timeval *tv) be found. Note when you fix it here you need to do the same in arch/x86_64/kernel/vsyscall.c and export all needed variables in vmlinux.lds. -AK */ - - t = (jiffies - wall_jiffies) * USEC_PER_TICK + - do_gettimeoffset(); - usec += t; + usec += do_gettimeoffset(); } while (read_seqretry(&xtime_lock, seq)); @@ -165,8 +161,7 @@ int do_settimeofday(struct timespec *tv) write_seqlock_irq(&xtime_lock); - nsec -= do_gettimeoffset() * NSEC_PER_USEC + - (jiffies - wall_jiffies) * NSEC_PER_TICK; + nsec -= do_gettimeoffset() * NSEC_PER_USEC; wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); @@ -415,16 +410,16 @@ void main_timer_handler(struct pt_regs *regs) (((long) offset << US_SCALE) / vxtime.tsc_quot) - 1; } - if (lost > 0) { + if (lost > 0) handle_lost_ticks(lost, regs); - jiffies += lost; - } + else + lost = 0; /* * Do the timer stuff. */ - do_timer(regs); + do_timer(lost + 1); #ifndef CONFIG_SMP update_process_times(user_mode(regs)); #endif @@ -1071,7 +1066,6 @@ static int timer_resume(struct sys_device *dev) vxtime.last_tsc = get_cycles_sync(); write_sequnlock_irqrestore(&xtime_lock,flags); jiffies += sleep_length; - wall_jiffies += sleep_length; monotonic_base += sleep_length * (NSEC_PER_SEC/HZ); touch_softlockup_watchdog(); return 0; |