[PATCH] powerpc: Wire up *at syscalls

[powerpc.git] / include / asm-powerpc / futex.h

diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index 37c94e5..f1b3c00 100644 (file)
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -7,13 +7,14 @@
 #include <asm/errno.h>
 #include <asm/synch.h>
 #include <asm/uaccess.h>
-#include <asm/ppc_asm.h>
+#include <asm/asm-compat.h>
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-       SYNC_ON_SMP \
+       LWSYNC_ON_SMP \
 "1:    lwarx   %0,0,%2\n" \
        insn \
+       PPC405_ERR77(0, %2) \
 "2:    stwcx.  %1,0,%2\n" \
        "bne-   1b\n" \
        "li     %1,0\n" \
@@ -23,7 +24,7 @@
        ".previous\n" \
        ".section __ex_table,\"a\"\n" \
        ".align 3\n" \
-       DATAL " 1b,4b,2b,4b\n" \
+       PPC_LONG "1b,4b,2b,4b\n" \
        ".previous" \
        : "=&r" (oldval), "=&r" (ret) \
        : "b" (uaddr), "i" (-EFAULT), "1" (oparg) \
@@ -80,5 +81,11 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
        return ret;
 }
 
+static inline int
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+{
+       return -ENOSYS;
+}
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_FUTEX_H */