[patch 39/46] i386 prepare for dyntick

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From: Ingo Molnar <[email protected]>

Prepare i386 for dyntick: idle handler callbacks.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: john stultz <[email protected]>
Cc: Roman Zippel <[email protected]>
Cc: Andi Kleen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 arch/i386/kernel/process.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6.20-rc4-mm1-bo/arch/i386/kernel/process.c
===================================================================
--- linux-2.6.20-rc4-mm1-bo.orig/arch/i386/kernel/process.c
+++ linux-2.6.20-rc4-mm1-bo/arch/i386/kernel/process.c
@@ -38,6 +38,7 @@
 #include <linux/ptrace.h>
 #include <linux/random.h>
 #include <linux/personality.h>
+#include <linux/tick.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -211,6 +212,7 @@ void cpu_idle(void)
 
 	/* endless idle loop with no priority at all */
 	while (1) {
+		tick_nohz_stop_sched_tick();
 		while (!need_resched()) {
 			void (*idle)(void);
 
@@ -238,6 +240,7 @@ void cpu_idle(void)
 			idle();
 			__exit_idle();
 		}
+		tick_nohz_restart_sched_tick();
 		preempt_enable_no_resched();
 		schedule();
 		preempt_disable();

--

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