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-rw-r--r--arch/x86/kernel/process_32.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index a3d0dc5..795b79f 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -38,6 +38,7 @@
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/kdebug.h>
+#include <linux/cpuidle.h>
#include <asm/pgtable.h>
#include <asm/system.h>
@@ -56,6 +57,7 @@
#include <asm/idle.h>
#include <asm/syscalls.h>
#include <asm/debugreg.h>
+#include <asm/nmi.h>
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
@@ -106,10 +108,12 @@ void cpu_idle(void)
if (cpu_is_offline(cpu))
play_dead();
+ local_touch_nmi();
local_irq_disable();
/* Don't trace irqs off for idle */
stop_critical_timings();
- pm_idle();
+ if (cpuidle_idle_call())
+ pm_idle();
start_critical_timings();
}
tick_nohz_restart_sched_tick();
@@ -260,7 +264,7 @@ EXPORT_SYMBOL_GPL(start_thread);
/*
- * switch_to(x,yn) should switch tasks from x to y.
+ * switch_to(x,y) should switch tasks from x to y.
*
* We fsave/fwait so that an exception goes off at the right time
* (as a call from the fsave or fwait in effect) rather than to
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