[ACPI] fix C1 patch for IA64

http://bugzilla.kernel.org/show_bug.cgi?id=4233

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index ebb71f3d6d19..a9bfba46733d 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -195,6 +195,7 @@ update_pal_halt_status(int status)
 void
 default_idle (void)
 {
+        local_irq_enable();
         while (!need_resched())
                 if (can_do_pal_halt)
                         safe_halt();