[SPARC64]: Add tick_nohz_{stop,restart}_sched_tick() calls to cpu_idle().

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 6 deletions

diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index b291060c25a6..a114151f9fbe 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();
         }
 }