Commit-ID: df502e389383b219e44819fe757614450d95f297
Gitweb: http://git.kernel.org/tip/df502e389383b219e44819fe757614450d95f297
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Sat, 10 Oct 2009 15:36:30 +0000
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 14 Oct 2009 15:35:51 +0200
um: Remove BKL from random
cycle_kernel_lock() was added during the big BKL pushdown. It should
ensure the serializiation against driver init code. In this case there
is nothing to serialize. Remove it.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
LKML-Reference: <20091010153349.641118498@xxxxxxxxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
---
arch/um/drivers/random.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 6eabb70..4949044 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -7,7 +7,6 @@
* of the GNU General Public License, incorporated herein by reference.
*/
#include <linux/sched.h>
-#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
@@ -34,8 +33,6 @@ static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);
static int rng_dev_open (struct inode *inode, struct file *filp)
{
- cycle_kernel_lock();
-
/* enforce read-only access to this chrdev */
if ((filp->f_mode & FMODE_READ) == 0)
return -EINVAL;
--
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