tools: ocaml: drop redefinition of xen_mb

This is always available to the in-tree build.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/tools/ocaml/libs/xb/xs_ring_stubs.c b/tools/ocaml/libs/xb/xs_ring_stubs.c
index a3bb175df99d852e74049dbeddf60c35705efb46..00414c5353c2f2c41158af8aea132eef13d15758 100644 (file)
--- a/tools/ocaml/libs/xb/xs_ring_stubs.c
+++ b/tools/ocaml/libs/xb/xs_ring_stubs.c
@@ -35,10 +35,6 @@
 
 #define GET_C_STRUCT(a) ((struct mmap_interface *) a)
 
-#ifndef xen_mb
-#define xen_mb()       mb()
-#endif
-
 static int xs_ring_read(struct mmap_interface *interface,
                              char *buffer, int len)
 {