Merge branch 'master' into export-slabh

1 files changed, 6 insertions, 4 deletions

diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 812f1bf06c9e..09bed44dfcd3 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -15,6 +15,7 @@
 #include <linux/bitops.h>
 #include <asm/system.h>
 #include <asm/pgalloc.h>
+#include <asm/uaccess.h> /* for USER_DS macros */
 #include <asm/cacheflush.h>
 
 void show_regs(struct pt_regs *regs)
@@ -74,7 +75,10 @@ __setup("hlt", hlt_setup);
 
 void default_idle(void)
 {
-        if (!hlt_counter) {
+        if (likely(hlt_counter)) {
+                while (!need_resched())
+                        cpu_relax();
+        } else {
                 clear_thread_flag(TIF_POLLING_NRFLAG);
                 smp_mb__after_clear_bit();
                 local_irq_disable();
@@ -82,9 +86,7 @@ void default_idle(void)
                         cpu_sleep();
                 local_irq_enable();
                 set_thread_flag(TIF_POLLING_NRFLAG);
-        } else
-                while (!need_resched())
-                        cpu_relax();
+        }
 }
 
 void cpu_idle(void)