Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Stanislaw Gruszka <[email protected]>
Cc: Wanpeng Li <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
---
 kernel/time/posix-cpu-timers.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index d53ff71..8349e02 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -890,8 +890,6 @@ static inline void stop_process_timers(struct signal_struct 
*sig)
        tick_dep_clear_signal(sig, TICK_DEP_BIT_POSIX_TIMER);
 }
 
-static u32 onecputick;
-
 static void check_cpu_itimer(struct task_struct *tsk, struct cpu_itimer *it,
                             unsigned long long *expires,
                             unsigned long long cur_time, int signo)
@@ -903,9 +901,9 @@ static void check_cpu_itimer(struct task_struct *tsk, 
struct cpu_itimer *it,
                if (it->incr) {
                        it->expires += it->incr;
                        it->error += it->incr_error;
-                       if (it->error >= onecputick) {
+                       if (it->error >= TICK_NSEC) {
                                it->expires -= cputime_one_jiffy;
-                               it->error -= onecputick;
+                               it->error -= TICK_NSEC;
                        }
                } else {
                        it->expires = 0;
@@ -1476,15 +1474,10 @@ static __init int init_posix_cpu_timers(void)
                .clock_get      = thread_cpu_clock_get,
                .timer_create   = thread_cpu_timer_create,
        };
-       struct timespec ts;
 
        posix_timers_register_clock(CLOCK_PROCESS_CPUTIME_ID, &process);
        posix_timers_register_clock(CLOCK_THREAD_CPUTIME_ID, &thread);
 
-       cputime_to_timespec(cputime_one_jiffy, &ts);
-       onecputick = ts.tv_nsec;
-       WARN_ON(ts.tv_sec != 0);
-
        return 0;
 }
 __initcall(init_posix_cpu_timers);
-- 
2.7.4

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