Merge ../linux-2.6

2 files changed, 17 insertions, 9 deletions

diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
index 11e5b44713f7..3c4e4cb61074 100644
--- a/arch/ppc/kernel/idle.c
+++ b/arch/ppc/kernel/idle.c
@@ -53,10 +53,6 @@ void default_idle(void)
                 }
 #endif
         }
-        if (need_resched())
-                schedule();
-        if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-                cpu_die();
 }
 
 /*
@@ -64,11 +60,22 @@ void default_idle(void)
  */
 void cpu_idle(void)
 {
-        for (;;)
-                if (ppc_md.idle != NULL)
-                        ppc_md.idle();
-                else
-                        default_idle();
+        int cpu = smp_processor_id();
+
+        for (;;) {
+                while (need_resched()) {
+                        if (ppc_md.idle != NULL)
+                                ppc_md.idle();
+                        else
+                                default_idle();
+                }
+
+                if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
+                        cpu_die();
+                preempt_enable_no_resched();
+                schedule();
+                preempt_disable();
+        }
 }
 
 #if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx)
diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index bc5bf1124836..43b8fc2ca591 100644
--- a/arch/ppc/kernel/smp.c
+++ b/arch/ppc/kernel/smp.c
@@ -341,6 +341,7 @@ int __devinit start_secondary(void *unused)
         cpu = smp_processor_id();
         smp_store_cpu_info(cpu);
         set_dec(tb_ticks_per_jiffy);
+        preempt_disable();
         cpu_callin_map[cpu] = 1;
 
         printk("CPU %d done callin...\n", cpu);