1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 33256db4a7cf..635235fa1e32 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -275,6 +275,7 @@ extern void ia64_load_extra (struct task_struct *task);
  */
 #define __ARCH_WANT_UNLOCKED_CTXSW
 
+#define ARCH_HAS_PREFETCH_SWITCH_STACK
 #define ia64_platform_is(x) (strcmp(x, platform_name) == 0)
 
 void cpu_idle_wait(void);