sysemu/xen-mapcache: Check Xen availability with CONFIG_XEN_IS_POSSIBLE

"sysemu/xen.h" defines CONFIG_XEN_IS_POSSIBLE as a target-agnostic
version of CONFIG_XEN accelerator.
Use it in order to use "sysemu/xen-mapcache.h" in target-agnostic files.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>

diff --git a/include/sysemu/xen-mapcache.h b/include/sysemu/xen-mapcache.h
index c8e7c2f6cf51aa39cc2230de6196e43d99afff34..10c2e3082a211b900016b05c624a80eb51c3fced 100644 (file)
--- a/include/sysemu/xen-mapcache.h
+++ b/include/sysemu/xen-mapcache.h
@@ -10,10 +10,11 @@
 #define XEN_MAPCACHE_H
 
 #include "exec/cpu-common.h"
+#include "sysemu/xen.h"
 
 typedef hwaddr (*phys_offset_to_gaddr_t)(hwaddr phys_offset,
                                          ram_addr_t size);
-#ifdef CONFIG_XEN
+#ifdef CONFIG_XEN_IS_POSSIBLE
 
 void xen_map_cache_init(phys_offset_to_gaddr_t f,
                         void *opaque);