xen/gnttab: Add a guard for xenpci functions

On ARM, the xenpci doesn't exist. Add guard to call xenpci function only
if the device is enabled.

diff --git a/sys/conf/options b/sys/conf/options
index ccbbd800c3cf83de9aaef25e67fcf6d2c4fd61c9..985a26acf48d1aa87e287326aec8e1da373d1274 100644 (file)
--- a/sys/conf/options
+++ b/sys/conf/options
@@ -958,3 +958,6 @@ RANDOM_ENABLE_UMA   opt_global.h
 
 # Intel em(4) driver
 EM_MULTIQUEUE  opt_em.h
+
+# Xen
+DEV_XENPCI     opt_xen.h

diff --git a/sys/dev/xen/grant_table/grant_table.c b/sys/dev/xen/grant_table/grant_table.c
index d7685e3569750f7330678242510a5133a6a01b05..ab999d2e2149422f479747a65269e8d283a53c85 100644 (file)
--- a/sys/dev/xen/grant_table/grant_table.c
+++ b/sys/dev/xen/grant_table/grant_table.c
@@ -14,6 +14,7 @@
 __FBSDID("$FreeBSD$");
 
 #include "opt_pmap.h"
+#include "opt_xen.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>