diff options
Diffstat (limited to 'arch/um/kernel/time_kern.c')
| -rw-r--r-- | arch/um/kernel/time_kern.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c index 87cdbc560d36..820fa3615a3f 100644 --- a/arch/um/kernel/time_kern.c +++ b/arch/um/kernel/time_kern.c @@ -96,11 +96,15 @@ void time_init_kern(void) void do_boot_timer_handler(struct sigcontext * sc) { + unsigned long flags; struct pt_regs regs; CHOOSE_MODE((void) (UPT_SC(®s.regs) = sc), (void) (regs.regs.skas.is_user = 0)); + + write_seqlock_irqsave(&xtime_lock, flags); do_timer(®s); + write_sequnlock_irqrestore(&xtime_lock, flags); } static DEFINE_SPINLOCK(timer_spinlock); @@ -125,25 +129,17 @@ irqreturn_t um_timer(int irq, void *dev, struct pt_regs *regs) unsigned long long nsecs; unsigned long flags; + write_seqlock_irqsave(&xtime_lock, flags); + do_timer(regs); - write_seqlock_irqsave(&xtime_lock, flags); nsecs = get_time() + local_offset; xtime.tv_sec = nsecs / NSEC_PER_SEC; xtime.tv_nsec = nsecs - xtime.tv_sec * NSEC_PER_SEC; - write_sequnlock_irqrestore(&xtime_lock, flags); - - return(IRQ_HANDLED); -} -long um_time(int __user *tloc) -{ - long ret = get_time() / NSEC_PER_SEC; - - if((tloc != NULL) && put_user(ret, tloc)) - return -EFAULT; + write_sequnlock_irqrestore(&xtime_lock, flags); - return ret; + return IRQ_HANDLED; } void do_gettimeofday(struct timeval *tv) @@ -174,18 +170,6 @@ static inline void set_time(unsigned long long nsecs) clock_was_set(); } -long um_stime(int __user *tptr) -{ - int value; - - if (get_user(value, tptr)) - return -EFAULT; - - set_time((unsigned long long) value * NSEC_PER_SEC); - - return 0; -} - int do_settimeofday(struct timespec *tv) { set_time((unsigned long long) tv->tv_sec * NSEC_PER_SEC + tv->tv_nsec); |