[PATCH] get rid of "+m" constraint in i386 rwsems

[David Howells]

Hi Linus, Andrew,

Here's a patch to remove the usage of a "+m" constraint in the i386 optimised
rwsem implementation.

David


--- ./include/asm-i386/rwsem.h.orig     2004-05-06 12:54:38.000000000 +0100
+++ ./include/asm-i386/rwsem.h  2004-05-06 12:55:09.000000000 +0100
@@ -134,8 +134,8 @@ LOCK_PREFIX "  cmpxchgl  %2,%0\n\t"
                "  jnz       1b\n\t"
                "2:\n\t"
                "# ending __down_read_trylock\n\t"
-               : "+m"(sem->count), "=&a"(result), "=&r"(tmp)
-               : "i"(RWSEM_ACTIVE_READ_BIAS)
+               : "=m"(sem->count), "=&a"(result), "=&r"(tmp)
+               : "i"(RWSEM_ACTIVE_READ_BIAS), "m"(sem->count)
                : "memory", "cc");
        return result>=0 ? 1 : 0;
 }
-
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