[patch 19/21] dynticks: i386 arch code
- From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- Date: Sun, 01 Oct 2006 23:01:06 -0000
From: Ingo Molnar <mingo@xxxxxxx>
Prepare i386 for dyntick: idle handler callbacks.
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
----
arch/i386/kernel/process.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux-2.6.18-mm2/arch/i386/kernel/process.c
===================================================================
--- linux-2.6.18-mm2.orig/arch/i386/kernel/process.c 2006-10-02 00:55:45.000000000 +0200
+++ linux-2.6.18-mm2/arch/i386/kernel/process.c 2006-10-02 00:55:55.000000000 +0200
@@ -178,6 +178,7 @@ void cpu_idle(void)
/* endless idle loop with no priority at all */
while (1) {
+ hrtimer_stop_sched_tick();
while (!need_resched()) {
void (*idle)(void);
@@ -196,6 +197,7 @@ void cpu_idle(void)
__get_cpu_var(irq_stat).idle_timestamp = jiffies;
idle();
}
+ hrtimer_restart_sched_tick();
preempt_enable_no_resched();
schedule();
preempt_disable();
--
-
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- References:
- [patch 00/21] high resolution timers / dynamic ticks - V2
- From: Thomas Gleixner
- [patch 00/21] high resolution timers / dynamic ticks - V2
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