1 diff -up Mesa-7.11/src/mesa/drivers/dri/sis/sis_context.h.jx Mesa-7.11/src/mesa/drivers/dri/sis/sis_context.h
2 --- Mesa-7.11/src/mesa/drivers/dri/sis/sis_context.h.jx 2010-12-14 16:43:15.000000000 -0500
3 +++ Mesa-7.11/src/mesa/drivers/dri/sis/sis_context.h 2011-09-09 11:47:56.454465358 -0400
4 @@ -405,7 +405,7 @@ struct sis_context
5 #elif defined(__ia64__)
6 #define MMIO_WMB() __asm __volatile("mf" : : : "memory")
8 -#error platform needs WMB
9 +#define MMIO_WMB() __sync_synchronize()
12 #define mEndPrimitive() \