sched: Consolidate open coded preemptible() checks

preempt_schedule() and preempt_schedule_context() open
code their preemptability checks.

Use the standard API instead for consolidation.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Li Zhong <zhong@linux.vnet.ibm.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alex Shi <alex.shi@intel.com>
Cc: Paul Turner <pjt@google.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Vincent Guittot <vincent.guittot@linaro.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 383f8231e436..942835c12ae5 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -87,10 +87,9 @@ void user_enter(void)
  */
 void __sched notrace preempt_schedule_context(void)
 {
-        struct thread_info *ti = current_thread_info();
         enum ctx_state prev_ctx;
 
-        if (likely(ti->preempt_count || irqs_disabled()))
+        if (likely(!preemptible()))
                 return;
 
         /*