Re: [PATCH v2] xen/public: fix flexible array definitions

[Juergen Gross]

On 30.11.23 14:14, Jan Beulich wrote:

On 30.11.2023 10:21, Juergen Gross wrote:

--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -46,6 +46,12 @@ DEFINE_XEN_GUEST_HANDLE(xen_ulong_t);
  #else
  #define XEN_FLEX_ARRAY_DIM  1 /* variable size */
  #endif
+/* Some PV I/O interfaces need a compatibility variant. */
+#if __XEN_INTERFACE_VERSION__ < 0x00041300
+#define XENPV_FLEX_ARRAY_DIM  1 /* variable size */
+#else
+#define XENPV_FLEX_ARRAY_DIM  XEN_FLEX_ARRAY_DIM
+#endif

May I suggest that this live in io/ring.h, for the lack of a better place
under io/?

Yes, fine with me.


Juergen

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