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authorDavid S. Miller <davem@sunset.davemloft.net>2007-02-22 06:24:45 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 01:54:13 -0700
commit038cb01ea69cb24ecf30e3ec882e429c84badbeb (patch)
treef2d78d4d9092126ec5a3ca16f5145ea49ca08c18 /arch
parent777a447529ad138f5fceb9c9ad28bab19848f277 (diff)
[SPARC64]: Add tick_nohz_{stop,restart}_sched_tick() calls to cpu_idle().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc64/kernel/process.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index b291060c25a..a114151f9fb 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -28,6 +28,7 @@
#include <linux/reboot.h>
#include <linux/delay.h>
#include <linux/compat.h>
+#include <linux/tick.h>
#include <linux/init.h>
#include <asm/oplib.h>
@@ -88,12 +89,14 @@ void cpu_idle(void)
set_thread_flag(TIF_POLLING_NRFLAG);
while(1) {
- if (need_resched()) {
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
- }
- sparc64_yield();
+ tick_nohz_stop_sched_tick();
+ while (!need_resched())
+ sparc64_yield();
+ tick_nohz_restart_sched_tick();
+
+ preempt_enable_no_resched();
+ schedule();
+ preempt_disable();
}
}