Merge commit 'v2.6.27-rc7' into x86/debug

1 files changed, 3 insertions, 4 deletions

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index e8a8e1b99817..71553b664e2a 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -93,14 +93,13 @@ DECLARE_PER_CPU(int, cpu_state);
 static inline void play_dead(void)
 {
         idle_task_exit();
-        wbinvd();
         mb();
         /* Ack it */
         __get_cpu_var(cpu_state) = CPU_DEAD;
 
         local_irq_disable();
-        while (1)
-                halt();
+        /* mask all interrupts, flush any and all caches, and halt */
+        wbinvd_halt();
 }
 #else
 static inline void play_dead(void)
@@ -120,7 +119,7 @@ void cpu_idle(void)
         current_thread_info()->status |= TS_POLLING;
         /* endless idle loop with no priority at all */
         while (1) {
-                tick_nohz_stop_sched_tick();
+                tick_nohz_stop_sched_tick(1);
                 while (!need_resched()) {
 
                         rmb();