Manual merge with Linus

[cascardo/linux.git] / include / asm-mips / system.h

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 888fd89..6663efd 100644 (file)
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -208,7 +208,7 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
        return retval;
 }
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
 {
        __u64 retval;
@@ -330,7 +330,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
        return retval;
 }
 
-#ifdef CONFIG_MIPS64
+#ifdef CONFIG_64BIT
 static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
        unsigned long new)
 {
@@ -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)