Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 5cf685086dd3..6e6dbb7447b6 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -50,6 +50,8 @@
  *      Note that tty_shutdown() is not called if ops->shutdown is defined.
  *      This means one is responsible to take care of calling ops->remove (e.g.
  *      via tty_driver_remove_tty) and releasing tty->termios.
+ *      Note that this hook may be called from *all* the contexts where one
+ *      uses tty refcounting (e.g. tty_port_tty_get).
  *
  *
  * void (*cleanup)(struct tty_struct * tty);
@@ -234,6 +236,7 @@
  *      if provided (otherwise EINVAL will be returned).
  */
 
+#include <linux/export.h>
 #include <linux/fs.h>
 #include <linux/list.h>
 #include <linux/cdev.h>
@@ -298,7 +301,6 @@ struct tty_driver {
         int     name_base;      /* offset of printed name */
         int     major;          /* major device number */
         int     minor_start;    /* start of minor device number */
-        int     minor_num;      /* number of *possible* devices */
         int     num;            /* number of devices allocated */
         short   type;           /* type of tty driver */
         short   subtype;        /* subtype of tty driver */
@@ -324,7 +326,7 @@ struct tty_driver {
 
 extern struct list_head tty_drivers;
 
-extern struct tty_driver *alloc_tty_driver(int lines);
+extern struct tty_driver *__alloc_tty_driver(int lines, struct module *owner);
 extern void put_tty_driver(struct tty_driver *driver);
 extern void tty_set_operations(struct tty_driver *driver,
                         const struct tty_operations *op);
@@ -332,6 +334,8 @@ extern struct tty_driver *tty_find_polling_driver(char *name, int *line);
 
 extern void tty_driver_kref_put(struct tty_driver *driver);
 
+#define alloc_tty_driver(lines) __alloc_tty_driver(lines, THIS_MODULE)
+
 static inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d)
 {
         kref_get(&d->kref);