Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  virtio: remove virtio-pci root device
  LGUEST_GUEST: fix unmet direct dependencies (VIRTUALIZATION && VIRTIO)
  lguest: compile fixes
  lguest: Use this_cpu_ops
  lguest: document --rng in example Launcher
  lguest: example launcher to use guard pages, drop PROT_EXEC, fix limit logic
  lguest: --username and --chroot options

3 files changed, 5 insertions, 21 deletions

diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index 04b22128a474..d21578ee95de 100644
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -1137,7 +1137,7 @@ void free_guest_pagetable(struct lguest *lg)
  */
 void map_switcher_in_guest(struct lg_cpu *cpu, struct lguest_pages *pages)
 {
-        pte_t *switcher_pte_page = __get_cpu_var(switcher_pte_pages);
+        pte_t *switcher_pte_page = __this_cpu_read(switcher_pte_pages);
         pte_t regs_pte;
 
 #ifdef CONFIG_X86_PAE
diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
index b4eb675a807e..9f1659c3d1f3 100644
--- a/drivers/lguest/x86/core.c
+++ b/drivers/lguest/x86/core.c
@@ -90,8 +90,8 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages)
          * meanwhile).  If that's not the case, we pretend everything in the
          * Guest has changed.
          */
-        if (__get_cpu_var(lg_last_cpu) != cpu || cpu->last_pages != pages) {
-                __get_cpu_var(lg_last_cpu) = cpu;
+        if (__this_cpu_read(lg_last_cpu) != cpu || cpu->last_pages != pages) {
+                __this_cpu_write(lg_last_cpu, cpu);
                 cpu->last_pages = pages;
                 cpu->changed = CHANGED_ALL;
         }
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index ef8d9d558fc7..4fb5b2bf2348 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -96,11 +96,6 @@ static struct pci_device_id virtio_pci_id_table[] = {
 
 MODULE_DEVICE_TABLE(pci, virtio_pci_id_table);
 
-/* A PCI device has it's own struct device and so does a virtio device so
- * we create a place for the virtio devices to show up in sysfs.  I think it
- * would make more sense for virtio to not insist on having it's own device. */
-static struct device *virtio_pci_root;
-
 /* Convert a generic virtio device to our structure */
 static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev)
 {
@@ -629,7 +624,7 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev,
         if (vp_dev == NULL)
                 return -ENOMEM;
 
-        vp_dev->vdev.dev.parent = virtio_pci_root;
+        vp_dev->vdev.dev.parent = &pci_dev->dev;
         vp_dev->vdev.dev.release = virtio_pci_release_dev;
         vp_dev->vdev.config = &virtio_pci_config_ops;
         vp_dev->pci_dev = pci_dev;
@@ -717,17 +712,7 @@ static struct pci_driver virtio_pci_driver = {
 
 static int __init virtio_pci_init(void)
 {
-        int err;
-
-        virtio_pci_root = root_device_register("virtio-pci");
-        if (IS_ERR(virtio_pci_root))
-                return PTR_ERR(virtio_pci_root);
-
-        err = pci_register_driver(&virtio_pci_driver);
-        if (err)
-                root_device_unregister(virtio_pci_root);
-
-        return err;
+        return pci_register_driver(&virtio_pci_driver);
 }
 
 module_init(virtio_pci_init);
@@ -735,7 +720,6 @@ module_init(virtio_pci_init);
 static void __exit virtio_pci_exit(void)
 {
         pci_unregister_driver(&virtio_pci_driver);
-        root_device_unregister(virtio_pci_root);
 }
 
 module_exit(virtio_pci_exit);