[PATCH] fix readX_relaxed machine vectors for ia64

From: jbarnes@sgi.com (Jesse Barnes)

I left out some of the necessary machine vector magic in my readX_relaxed
patch, which broke the ia64 generic build.

arch/ia64/lib/io.c

@@ -65,6 +65,10 @@ EXPORT_SYMBOL(__ia64_memset_c_io);
 #undef __ia64_readw
 #undef __ia64_readl
 #undef __ia64_readq
+#undef __ia64_readb_relaxed
+#undef __ia64_readw_relaxed
+#undef __ia64_readl_relaxed
+#undef __ia64_readq_relaxed
 #undef __ia64_writeb
 #undef __ia64_writew
 #undef __ia64_writel
@@ -130,4 +134,28 @@ __ia64_readq (void *addr)
 	return ___ia64_readq (addr);
 }
 
+unsigned char
+__ia64_readb_relaxed (void *addr)
+{
+	return ___ia64_readb (addr);
+}
+
+unsigned short
+__ia64_readw_relaxed (void *addr)
+{
+	return ___ia64_readw (addr);
+}
+
+unsigned int
+__ia64_readl_relaxed (void *addr)
+{
+	return ___ia64_readl (addr);
+}
+
+unsigned long
+__ia64_readq_relaxed (void *addr)
+{
+	return ___ia64_readq (addr);
+}
+
 #endif /* CONFIG_IA64_GENERIC */

include/asm-ia64/machvec_init.h

@@ -16,6 +16,10 @@ extern ia64_mv_readb_t __ia64_readb;
 extern ia64_mv_readw_t __ia64_readw;
 extern ia64_mv_readl_t __ia64_readl;
 extern ia64_mv_readq_t __ia64_readq;
+extern ia64_mv_readb_t __ia64_readb_relaxed;
+extern ia64_mv_readw_t __ia64_readw_relaxed;
+extern ia64_mv_readl_t __ia64_readl_relaxed;
+extern ia64_mv_readq_t __ia64_readq_relaxed;
 
 #define MACHVEC_HELPER(name)									\
  struct ia64_machine_vector machvec_##name __attribute__ ((unused, __section__ (".machvec")))	\