Mem Policy: add MPOL_F_MEMS_ALLOWED get_mempolicy() flag

[linux-2.6-omap-h63xx.git] / include / asm-avr32 / system.h

diff --git a/include/asm-avr32/system.h b/include/asm-avr32/system.h
index a8236bacc8789133c573885d3065ba97005eebc3..dc2d527cef4132532db6bda322f66167618f1d7f 100644 (file)
--- a/include/asm-avr32/system.h
+++ b/include/asm-avr32/system.h
@@ -73,11 +73,16 @@ extern struct task_struct *__switch_to(struct task_struct *,
 
 extern void __xchg_called_with_bad_pointer(void);
 
-#ifdef __CHECKER__
-extern unsigned long __builtin_xchg(void *ptr, unsigned long x);
-#endif
+static inline unsigned long xchg_u32(u32 val, volatile u32 *m)
+{
+       u32 ret;
 
-#define xchg_u32(val, m) __builtin_xchg((void *)m, val)
+       asm volatile("xchg %[ret], %[m], %[val]"
+                       : [ret] "=&r"(ret), "=m"(*m)
+                       : "m"(*m), [m] "r"(m), [val] "r"(val)
+                       : "memory");
+       return ret;
+}
 
 static inline unsigned long __xchg(unsigned long x,
                                       volatile void *ptr,