Merge remote-tracking branch 'remotes/sstabellini/tags/xen-20160126-2' into staging

Xen 2016/01/26 with Signed-off-by lines.

# gpg: Signature made Tue 26 Jan 2016 17:20:12 GMT using RSA key ID 70E1AE90
# gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"

* remotes/sstabellini/tags/xen-20160126-2:
  xen: make it possible to build without the Xen PV domain builder
  xen: domainbuild: reopen libxenctrl interface after forking for domain watcher.
  xen: Use stable library interfaces when they are available.
  xen: Switch uses of xc_map_foreign_{pages,bulk} to use libxenforeignmemory API.
  xen: Switch uses of xc_map_foreign_range into xc_map_foreign_pages
  xen: Switch to libxengnttab interface for compat shims.
  xen: Switch to libxenevtchn interface for compat shims.
  xen_console: correctly cleanup primary console on teardown.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/xen-common.c b/xen-common.c
index 0dcdbc39f4..6cd2959e21 100644
--- a/xen-common.c
+++ b/xen-common.c
@@ -118,6 +118,12 @@ static int xen_init(MachineState *ms)
         xen_be_printf(NULL, 0, "can't open xen interface\n");
         return -1;
     }
+    xen_fmem = xenforeignmemory_open(0, 0);
+    if (xen_fmem == NULL) {
+        xen_be_printf(NULL, 0, "can't open xen fmem interface\n");
+        xc_interface_close(xen_xc);
+        return -1;
+    }
     qemu_add_vm_change_state_handler(xen_change_state_handler, NULL);
 
     global_state_set_optional();