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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