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-rw-r--r--arch/microblaze/kernel/process.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 09bed44dfcd3..ba7c4b16ed35 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -76,8 +76,11 @@ __setup("hlt", hlt_setup);
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();