diff options
Diffstat (limited to 'arch/x86_64/kernel/tsc.c')
| -rw-r--r-- | arch/x86_64/kernel/tsc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/tsc.c b/arch/x86_64/kernel/tsc.c index 8c92f2fe7e2..89583186501 100644 --- a/arch/x86_64/kernel/tsc.c +++ b/arch/x86_64/kernel/tsc.c @@ -180,6 +180,12 @@ static cycle_t read_tsc(void) return ret; } +static cycle_t __vsyscall_fn vread_tsc(void) +{ + cycle_t ret = (cycle_t)get_cycles_sync(); + return ret; +} + static struct clocksource clocksource_tsc = { .name = "tsc", .rating = 300, @@ -188,6 +194,7 @@ static struct clocksource clocksource_tsc = { .shift = 22, .flags = CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_MUST_VERIFY, + .vread = vread_tsc, }; void mark_tsc_unstable(void) |