Author: andrew
Date: Mon Jul 30 12:44:44 2018
New Revision: 336902
URL: https://svnweb.freebsd.org/changeset/base/336902
Log:
As with DPCPU_DEFINE make it a compile error to use static with VNET_DEFINE.
There is the VNET_DEFINE_STATIC macro for that.
Modified:
head/sys/net/vnet.h
Modified: head/sys/net/vnet.h
==============================================================================
--- head/sys/net/vnet.h Mon Jul 30 12:38:08 2018 (r336901)
+++ head/sys/net/vnet.h Mon Jul 30 12:44:44 2018 (r336902)
@@ -270,8 +270,9 @@ extern struct sx vnet_sxlock;
*/
#define VNET_NAME(n) vnet_entry_##n
#define VNET_DECLARE(t, n) extern t VNET_NAME(n)
+/* struct _hack is to stop this from being used with static data */
#define VNET_DEFINE(t, n) \
- t VNET_NAME(n) __section(VNET_SETNAME) __used
+ struct _hack; t VNET_NAME(n) __section(VNET_SETNAME) __used
#define VNET_DEFINE_STATIC(t, n) \
static t VNET_NAME(n) __section(VNET_SETNAME) __used
#define _VNET_PTR(b, n) (__typeof(VNET_NAME(n))*)
\
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