posix-cpu-timers: Remove tsk argument from run_posix_cpu_timers()

It's always current. Don't give people wrong ideas.

Signed-off-by: Thomas Gleixner <[e-mail]>
Reviewed-by: Frederic Weisbecker <[e-mail]>
Link: https://lkml.kernel.org/r/[e-mail]

include/linux/posix-timers.h

···
 	struct rcu_head		rcu;
 };
 
-void run_posix_cpu_timers(struct task_struct *task);
+void run_posix_cpu_timers(void);
 void posix_cpu_timers_exit(struct task_struct *task);
 void posix_cpu_timers_exit_group(struct task_struct *task);
 void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx,

kernel/time/posix-cpu-timers.c

···
  * already updated our counts.  We need to check if any timers fire now.
  * Interrupts are disabled.
  */
-void run_posix_cpu_timers(struct task_struct *tsk)
+void run_posix_cpu_timers(void)
 {
-	LIST_HEAD(firing);
+	struct task_struct *tsk = current;
 	struct k_itimer *timer, *next;
 	unsigned long flags;
+	LIST_HEAD(firing);
 
 	lockdep_assert_irqs_disabled();
 

kernel/time/timer.c

···
 #endif
 	scheduler_tick();
 	if (IS_ENABLED(CONFIG_POSIX_TIMERS))
-		run_posix_cpu_timers(p);
+		run_posix_cpu_timers();
 }
 
 /**