posix-timers: Use clock_get_ktime() in common_timer_get()

Now, when the clock_get_ktime() callback exists, the suboptimal timespec64-based conversion can be removed from common_timer_get(). Suggested-by: Thomas Gleixner <[email protected]> Co-developed-by: Dmitry Safonov <[email protected]> Signed-off-by: Andrei Vagin <[email protected]> Signed-off-by: Dmitry Safonov <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Link: https://lore.kernel.org/r/[email protected]
ashr · Jan 14, 2020 · 198fa44 · 198fa44
1 parent 9c71a2e
commit 198fa44
Showing 1 changed file with 1 addition and 7 deletions.
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
@@ -665,7 +665,6 @@ void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting)
 {
 	const struct k_clock *kc = timr->kclock;
 	ktime_t now, remaining, iv;
-	struct timespec64 ts64;
 	bool sig_none;
 
 	sig_none = timr->it_sigev_notify == SIGEV_NONE;
@@ -683,12 +682,7 @@ void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting)
 			return;
 	}
 
-	/*
-	 * The timespec64 based conversion is suboptimal, but it's not
-	 * worth to implement yet another callback.
-	 */
-	kc->clock_get_timespec(timr->it_clock, &ts64);
-	now = timespec64_to_ktime(ts64);
+	now = kc->clock_get_ktime(timr->it_clock);
 
 	/*
 	 * When a requeue is pending or this is a SIGEV_NONE timer move the