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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-10-10 15:36:30 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-10-14 15:35:51 +0200 |
| commit | df502e389383b219e44819fe757614450d95f297 (patch) | |
| tree | 4fcb590c731288584e07bd9c985a3eebc78e1f2c /arch/um/drivers/random.c | |
| parent | ca1b82ba0888e742a7efdb89ed8e2aab453e091f (diff) | |
| download | linux-3.10-df502e389383b219e44819fe757614450d95f297.tar.gz linux-3.10-df502e389383b219e44819fe757614450d95f297.tar.bz2 linux-3.10-df502e389383b219e44819fe757614450d95f297.zip | |
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@linutronix.de>
LKML-Reference: <20091010153349.641118498@linutronix.de>
Cc: Jeff Dike <jdike@addtoit.com>
Diffstat (limited to 'arch/um/drivers/random.c')
| -rw-r--r-- | 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 6eabb7022a2..4949044773b 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; |