--- linux-2.4.19/drivers/char/agp/agpgart_be.c.org	Fri Sep 13 10:26:51 2002
+++ linux-2.4.19/drivers/char/agp/agpgart_be.c	Fri Sep 13 10:26:29 2002
@@ -69,7 +69,7 @@
 {
 #if defined(__i386__) || defined(__x86_64__)
 	asm volatile ("wbinvd":::"memory");
-#elif defined(__alpha__) || defined(__ia64__) || defined(__sparc__)
+#elif defined(__alpha__) || defined(__ia64__) || defined(__sparc__) || defined(__powerpc__)
 	/* ??? I wonder if we'll really need to flush caches, or if the
 	   core logic can manage to keep the system coherent.  The ARM
 	   speaks only of using `cflush' to get things in memory in