aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/process_32.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-04-02 07:23:22 -0400
committerIngo Molnar <mingo@elte.hu>2008-04-17 11:41:34 -0400
commit13af4836b3914b23946f6a8982934e2c828c183f (patch)
tree8dbca8c4c76ceff32dc6de36b987ed5dc5ea8f59 /arch/x86/kernel/process_32.c
parentf5149a49f994e5c469ac398af7cdeb8eb612d3a4 (diff)
x86: improve default idle
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 08c41ed5e805..3903a8f2eb97 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -113,16 +113,8 @@ void default_idle(void)
113 113
114 local_irq_disable(); 114 local_irq_disable();
115 if (!need_resched()) { 115 if (!need_resched()) {
116 ktime_t t0, t1;
117 u64 t0n, t1n;
118
119 t0 = ktime_get();
120 t0n = ktime_to_ns(t0);
121 safe_halt(); /* enables interrupts racelessly */ 116 safe_halt(); /* enables interrupts racelessly */
122 local_irq_disable(); 117 local_irq_disable();
123 t1 = ktime_get();
124 t1n = ktime_to_ns(t1);
125 sched_clock_idle_wakeup_event(t1n - t0n);
126 } 118 }
127 local_irq_enable(); 119 local_irq_enable();
128 current_thread_info()->status |= TS_POLLING; 120 current_thread_info()->status |= TS_POLLING;