microblaze: Do not trace cpu_relax function
IRQsoff tracer requires to protect cpu_idle function
to get correct timing report.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 09bed44..ba7c4b1 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -76,8 +76,11 @@
void default_idle(void)
{
if (likely(hlt_counter)) {
- while (!need_resched())
- cpu_relax();
+ local_irq_disable();
+ stop_critical_timings();
+ cpu_relax();
+ start_critical_timings();
+ local_irq_enable();
} else {
clear_thread_flag(TIF_POLLING_NRFLAG);
smp_mb__after_clear_bit();