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

1 files changed, 3 insertions, 4 deletions

diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 7b9ee9f09639..62a4790e425d 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -96,7 +96,6 @@ static inline void play_dead(void)
 {
         /* This must be done before dead CPU ack */
         cpu_exit_clear();
-        wbinvd();
         mb();
         /* Ack it */
         __get_cpu_var(cpu_state) = CPU_DEAD;
@@ -105,8 +104,8 @@ static inline void play_dead(void)
          * With physical CPU hotplug, we should halt the cpu
          */
         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)
@@ -129,7 +128,7 @@ void cpu_idle(void)
 
         /* endless idle loop with no priority at all */
         while (1) {
-                tick_nohz_stop_sched_tick();
+                tick_nohz_stop_sched_tick(1);
                 while (!need_resched()) {
 
                         check_pgt_cache();