Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio update from Rusty Russell:
 "More console fixes; these are the theoretical ones which didn't get
  CC:stable.  But for that reason, I did a merge with master partway
  through to avoid an unnecessary conflict.

  Also: a fun lguest bug turns out if you don't clear the TF flag when
  trapping Bad Things happen to the guest kernel as the stack
  overflows..."

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio_pci: pm: Use CONFIG_PM_SLEEP instead of CONFIG_PM
  lguest: fix GPF in guest when using gdb.
  lguest: fix guest kernel stack overflow when TF bit set.
  lguest: fix BUG_ON() in invalid guest page table.
  virtio: console: prevent use-after-free of port name in port unplug
  virtio: console: cleanup an error message
  virtio: console: fix locking around send_sigio_to_port()
  virtio: console: add locking in port unplug path
  virtio: console: add locks around buffer removal in port unplug path
  tools/lguest: offer VIRTIO_F_ANY_LAYOUT for net device.
  virtio tools: add .gitignore
  lguest: Point to the right directory for the lguest launcher

2 files changed, 9 insertions, 0 deletions

diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index 68f67cf3d318..32cf2ce15d69 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -42,6 +42,10 @@
 #include <pwd.h>
 #include <grp.h>
 
+#ifndef VIRTIO_F_ANY_LAYOUT
+#define VIRTIO_F_ANY_LAYOUT             27
+#endif
+
 /*L:110
  * We can ignore the 43 include files we need for this program, but I do want
  * to draw attention to the use of kernel-style types.
@@ -1544,6 +1548,8 @@ static void setup_tun_net(char *arg)
         add_feature(dev, VIRTIO_NET_F_HOST_ECN);
         /* We handle indirect ring entries */
         add_feature(dev, VIRTIO_RING_F_INDIRECT_DESC);
+        /* We're compliant with the damn spec. */
+        add_feature(dev, VIRTIO_F_ANY_LAYOUT);
         set_config(dev, sizeof(conf), &conf);
 
         /* We don't need the socket any more; setup is done. */
diff --git a/tools/virtio/.gitignore b/tools/virtio/.gitignore
new file mode 100644
index 000000000000..1cfbb0157a46
--- /dev/null
+++ b/tools/virtio/.gitignore
@@ -0,0 +1,3 @@
+*.d
+virtio_test
+vringh_test