1 files changed, 2 insertions, 8 deletions

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 888fd8908467..169f3d4265b1 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -422,16 +422,10 @@ extern void __die_if_kernel(const char *, struct pt_regs *, const char *file,
 extern int stop_a_enabled;
 
 /*
- * Taken from include/asm-ia64/system.h; prevents deadlock on SMP
+ * See include/asm-ia64/system.h; prevents deadlock on SMP
  * systems.
  */
-#define prepare_arch_switch(rq, next)           \
-do {                                            \
-        spin_lock(&(next)->switch_lock);        \
-        spin_unlock(&(rq)->lock);               \
-} while (0)
-#define finish_arch_switch(rq, prev)    spin_unlock_irq(&(prev)->switch_lock)
-#define task_running(rq, p)             ((rq)->curr == (p) || spin_is_locked(&(p)->switch_lock))
+#define __ARCH_WANT_UNLOCKED_CTXSW
 
 #define arch_align_stack(x) (x)