http://bugme.osdl.org/show_bug.cgi?id=2554
------- Additional Comments From [EMAIL PROTECTED] 2004-04-20 20:09 -------
The following patch removes the i386 cmpxchg from being defined again:
diff -Nur linux-2.4.26/drivers/char/drm/drmP.h linux-
2.4.26.patched/drivers/char/drm/drmP.h
--- linux-2.4.26/drivers/char/drm/drmP.h Wed Feb 18 08:36:31 2004
+++ linux-2.4.26.patched/drivers/char/drm/drmP.h Tue Apr 20 13:10:47 2004
@@ -173,39 +173,7 @@
(__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
(unsigned long)_n_, sizeof(*(ptr))); \
})
-
-#elif __i386__
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
- unsigned long new, int size)
-{
- unsigned long prev;
- switch (size) {
- case 1:
- __asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
- : "=a"(prev)
- : "q"(new), "m"(*__xg(ptr)), "0"(old)
- : "memory");
- return prev;
- case 2:
- __asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
- : "=a"(prev)
- : "q"(new), "m"(*__xg(ptr)), "0"(old)
- : "memory");
- return prev;
- case 4:
- __asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
- : "=a"(prev)
- : "q"(new), "m"(*__xg(ptr)), "0"(old)
- : "memory");
- return prev;
- }
- return old;
-}
-
-#define cmpxchg(ptr,o,n) \
- ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o), \
- (unsigned long)(n),sizeof(*(ptr))))
-#endif /* i386 & alpha */
+#endif /* alpha */
#endif
#define __REALLY_HAVE_SG (__HAVE_SG)
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