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posix-cpu-timers: Use clock ID in posix_cpu_timer_set()

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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 <[email protected]>
Reviewed-by: Frederic Weisbecker <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
This commit is contained in:
Thomas Gleixner 2019-08-21 21:08:56 +02:00
commit c7a37c6f4c
1 changed files with 6 additions and 5 deletions
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11
kernel/time/posix-cpu-timers.c
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@ -556,10 +556,11 @@ static void cpu_timer_fire(struct k_itimer *timer)
static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
struct itimerspec64 *new, struct itimerspec64 *old)
{
unsigned long flags;
struct sighand_struct *sighand;
struct task_struct *p = timer->it.cpu.task;
clockid_t clkid = CPUCLOCK_WHICH(timer->it_clock);
u64 old_expires, new_expires, old_incr, val;
struct task_struct *p = timer->it.cpu.task;
struct sighand_struct *sighand;
unsigned long flags;
int ret;
if (WARN_ON_ONCE(!p))
@ -606,9 +607,9 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
* check if it's already passed. In short, we need a sample.
*/
if (CPUCLOCK_PERTHREAD(timer->it_clock)) {
cpu_clock_sample(timer->it_clock, p, &val);
cpu_clock_sample(clkid, p, &val);
} else {
cpu_clock_sample_group(timer->it_clock, p, &val, true);
cpu_clock_sample_group(clkid, p, &val, true);
}
if (old) {