Merge commit 'origin/master' into for-linus/xen/master

* commit 'origin/master': (4825 commits)
  Fix build errors due to CONFIG_BRANCH_TRACER=y
  parport: Use the PCI IRQ if offered
  tty: jsm cleanups
  Adjust path to gpio headers
  KGDB_SERIAL_CONSOLE check for module
  Change KCONFIG name
  tty: Blackin CTS/RTS
  Change hardware flow control from poll to interrupt driven
  Add support for the MAX3100 SPI UART.
  lanana: assign a device name and numbering for MAX3100
  serqt: initial clean up pass for tty side
  tty: Use the generic RS485 ioctl on CRIS
  tty: Correct inline types for tty_driver_kref_get()
  splice: fix deadlock in splicing to file
  nilfs2: support nanosecond timestamp
  nilfs2: introduce secondary super block
  nilfs2: simplify handling of active state of segments
  nilfs2: mark minor flag for checkpoint created by internal operation
  nilfs2: clean up sketch file
  nilfs2: super block operations fix endian bug
  ...

Conflicts:
	arch/x86/include/asm/thread_info.h
	arch/x86/lguest/boot.c
	drivers/xen/manage.c

1 files changed, 23 insertions, 65 deletions

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index ed32edb17166..c4ada8b6295b 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -254,15 +254,19 @@ int drm_lastclose(struct drm_device * dev)
 int drm_init(struct drm_driver *driver)
 {
 	struct pci_dev *pdev = NULL;
-	struct pci_device_id *pid;
+	const struct pci_device_id *pid;
 	int i;
 
 	DRM_DEBUG("\n");
 
 	INIT_LIST_HEAD(&driver->device_list);
 
+	if (driver->driver_features & DRIVER_MODESET)
+		return pci_register_driver(&driver->pci_driver);
+
+	/* If not using KMS, fall back to stealth mode manual scanning. */
 	for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
-		pid = (struct pci_device_id *)&driver->pci_driver.id_table[i];
+		pid = &driver->pci_driver.id_table[i];
 
 		/* Loop around setting up a DRM device for each PCI device
 		 * matching our ID and device class.  If we had the internal
@@ -287,68 +291,17 @@ int drm_init(struct drm_driver *driver)
 
 EXPORT_SYMBOL(drm_init);
 
-/**
- * Called via cleanup_module() at module unload time.
- *
- * Cleans up all DRM device, calling drm_lastclose().
- *
- * \sa drm_init
- */
-static void drm_cleanup(struct drm_device * dev)
-{
-	struct drm_map_list *r_list, *list_temp;
-	DRM_DEBUG("\n");
-
-	if (!dev) {
-		DRM_ERROR("cleanup called no dev\n");
-		return;
-	}
-
-	drm_vblank_cleanup(dev);
-
-	drm_lastclose(dev);
-
-	if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
-	    dev->agp && dev->agp->agp_mtrr >= 0) {
-		int retval;
-		retval = mtrr_del(dev->agp->agp_mtrr,
-				  dev->agp->agp_info.aper_base,
-				  dev->agp->agp_info.aper_size * 1024 * 1024);
-		DRM_DEBUG("mtrr_del=%d\n", retval);
-	}
-
-	if (dev->driver->unload)
-		dev->driver->unload(dev);
-
-	if (drm_core_has_AGP(dev) && dev->agp) {
-		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
-		dev->agp = NULL;
-	}
-
-	drm_ht_remove(&dev->map_hash);
-	drm_ctxbitmap_cleanup(dev);
-
-	list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)
-		drm_rmmap(dev, r_list->map);
-
-	if (drm_core_check_feature(dev, DRIVER_MODESET))
-		drm_put_minor(&dev->control);
-
-	if (dev->driver->driver_features & DRIVER_GEM)
-		drm_gem_destroy(dev);
-
-	drm_put_minor(&dev->primary);
-	if (drm_put_dev(dev))
-		DRM_ERROR("Cannot unload module\n");
-}
-
 void drm_exit(struct drm_driver *driver)
 {
 	struct drm_device *dev, *tmp;
 	DRM_DEBUG("\n");
 
-	list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item)
-		drm_cleanup(dev);
+	if (driver->driver_features & DRIVER_MODESET) {
+		pci_unregister_driver(&driver->pci_driver);
+	} else {
+		list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item)
+			drm_put_dev(dev);
+	}
 
 	DRM_INFO("Module unloaded\n");
 }
@@ -468,6 +421,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 	drm_ioctl_t *func;
 	unsigned int nr = DRM_IOCTL_NR(cmd);
 	int retcode = -EINVAL;
+	char stack_kdata[128];
 	char *kdata = NULL;
 
 	atomic_inc(&dev->ioctl_count);
@@ -506,10 +460,14 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 		retcode = -EACCES;
 	} else {
 		if (cmd & (IOC_IN | IOC_OUT)) {
-			kdata = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
-			if (!kdata) {
-				retcode = -ENOMEM;
-				goto err_i1;
+			if (_IOC_SIZE(cmd) <= sizeof(stack_kdata)) {
+				kdata = stack_kdata;
+			} else {
+				kdata = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+				if (!kdata) {
+					retcode = -ENOMEM;
+					goto err_i1;
+				}
 			}
 		}
 
@@ -530,7 +488,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 	}
 
       err_i1:
-	if (kdata)
+	if (kdata != stack_kdata)
 		kfree(kdata);
 	atomic_dec(&dev->ioctl_count);
 	if (retcode)
@@ -540,7 +498,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 
 EXPORT_SYMBOL(drm_ioctl);
 
-drm_local_map_t *drm_getsarea(struct drm_device *dev)
+struct drm_local_map *drm_getsarea(struct drm_device *dev)
 {
 	struct drm_map_list *entry;