4 files changed, 15 insertions, 10 deletions

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 07fb744f8a68..30494aab829a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -86,12 +86,16 @@ EXPORT_SYMBOL(pm_power_off);
  */
 void default_idle(void)
 {
-        local_irq_disable();
-        if (!need_resched() && !hlt_counter) {
-                timer_dyn_reprogram();
-                arch_idle();
+        if (hlt_counter)
+                cpu_relax();
+        else {
+                local_irq_disable();
+                if (!need_resched()) {
+                        timer_dyn_reprogram();
+                        arch_idle();
+                }
+                local_irq_enable();
         }
-        local_irq_enable();
 }
 
 /*
@@ -116,13 +120,13 @@ void cpu_idle(void)
 
                 if (!idle)
                         idle = default_idle;
-                preempt_disable();
                 leds_event(led_idle_start);
                 while (!need_resched())
                         idle();
                 leds_event(led_idle_end);
-                preempt_enable();
+                preempt_enable_no_resched();
                 schedule();
+                preempt_disable();
         }
 }
 
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 77e2e9ca89fa..e55ea952f7aa 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -256,7 +256,9 @@ void __cpuexit cpu_die(void)
 asmlinkage void __cpuinit secondary_start_kernel(void)
 {
         struct mm_struct *mm = &init_mm;
-        unsigned int cpu = smp_processor_id();
+        unsigned int cpu;
+
+        cpu = smp_processor_id();
 
         printk("CPU%u: Booted secondary processor\n", cpu);
 
@@ -273,6 +275,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
         local_flush_tlb_all();
 
         cpu_init();
+        preempt_disable();
 
         /*
          * Give the platform a chance to do its own initialisation.
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
index be283cda63dd..399010c14036 100644
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ b/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -13,7 +13,6 @@
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
 #include <linux/sched.h>
-#include <linux/version.h>
 
 #include <asm/io.h>
 #include <asm/hardware.h>
diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c
index 1fb16f9edfd5..2ede2ee8cae4 100644
--- a/arch/arm/plat-omap/ocpi.c
+++ b/arch/arm/plat-omap/ocpi.c
@@ -25,7 +25,6 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>