[patch 18/44] posix-cpu-timers: Use clock ID in posix_cpu_timer_rearm()

Thomas Gleixner
2019-08-19T15:45:57Z

Extract the clock ID (PROF/VIRT/SCHED) from the clock selector and use it
as argument to the sample functions. That allows to simplify them once all
callers are fixed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/posix-cpu-timers.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -987,6 +987,7 @@ static void check_process_timers(struct
*/
static void posix_cpu_timer_rearm(struct k_itimer *timer)
{
+ clockid_t clkid = CPUCLOCK_WHICH(timer->it_clock);
struct task_struct *p = timer->it.cpu.task;
struct sighand_struct *sighand;
unsigned long flags;
@@ -999,7 +1000,7 @@ static void posix_cpu_timer_rearm(struct
* Fetch the current sample and update the timer's expiry time.
*/
if (CPUCLOCK_PERTHREAD(timer->it_clock)) {
- cpu_clock_sample(timer->it_clock, p, &now);
+ cpu_clock_sample(clkid, p, &now);
bump_cpu_timer(timer, now);
if (unlikely(p->exit_state))
return;
@@ -1025,7 +1026,7 @@ static void posix_cpu_timer_rearm(struct
/* If the process is dying, no need to rearm */
goto unlock;
}
- cpu_clock_sample_group(timer->it_clock, p, &now, true);
+ cpu_clock_sample_group(clkid, p, &now, true);
bump_cpu_timer(timer, now);
/* Leave the sighand locked for the call below. */
}