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Diffstat (limited to 'include/xen/interface/io/xs_wire.h')
-rw-r--r--include/xen/interface/io/xs_wire.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/xen/interface/io/xs_wire.h b/include/xen/interface/io/xs_wire.h
index f6f07aa35af5..7cdfca24eafb 100644
--- a/include/xen/interface/io/xs_wire.h
+++ b/include/xen/interface/io/xs_wire.h
@@ -87,4 +87,7 @@ struct xenstore_domain_interface {
XENSTORE_RING_IDX rsp_cons, rsp_prod;
};
+/* Violating this is very bad. See docs/misc/xenstore.txt. */
+#define XENSTORE_PAYLOAD_MAX 4096
+
#endif /* _XS_WIRE_H */