diff options
| -rw-r--r-- | arch/x86_64/vdso/vclock_gettime.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86_64/vdso/vclock_gettime.c b/arch/x86_64/vdso/vclock_gettime.c index 17f6a00de712..5b54cdfb2b07 100644 --- a/arch/x86_64/vdso/vclock_gettime.c +++ b/arch/x86_64/vdso/vclock_gettime.c @@ -34,10 +34,11 @@ static long vdso_fallback_gettime(long clock, struct timespec *ts) static inline long vgetns(void) { + long v; cycles_t (*vread)(void); vread = gtod->clock.vread; - return ((vread() - gtod->clock.cycle_last) * gtod->clock.mult) >> - gtod->clock.shift; + v = (vread() - gtod->clock.cycle_last) & gtod->clock.mask; + return (v * gtod->clock.mult) >> gtod->clock.shift; } static noinline int do_realtime(struct timespec *ts) |