This fixes the macro xchg to correctly map to the __xchg function for
ppc. The latest change was highly suggested by Jimi and should be the
approach that should be taken to solve this problem.
Signed-off-by: Jerone Young <[EMAIL PROTECTED]>
diff -r adf7f391be71 xen/include/asm-powerpc/system.h
--- a/xen/include/asm-powerpc/system.h Thu Apr 05 06:51:53 2007 +0100
+++ b/xen/include/asm-powerpc/system.h Thu Jan 30 15:39:05 2031 -0600
@@ -28,7 +28,11 @@
#include <asm/processor.h>
#include <asm/msr.h>
-#define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr))))
+#define xchg(ptr,x) \
+({ \
+ __typeof__(*(ptr)) _x_ = (x); \
+ (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \
+})
static __inline__ unsigned long
__xchg_u32(volatile int *m, unsigned long val)
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