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authorArnd Bergmann <arnd@arndb.de>2008-05-20 19:16:56 +0200
committerJonathan Corbet <corbet@lwn.net>2008-07-02 15:06:26 -0600
commitbd6859fe836491d20ea6e57fee93e0e08ee69443 (patch)
treecbe39fb5eca187a4df5e26f90a776ae4ee8b2151 /arch/um
parent78dccb46ddc2ff460c8b4d5ec0886964bd4b59e5 (diff)
uml-mmapper: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/mmapper_kern.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index 67b2f55a602f..eb240323c40a 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -16,6 +16,7 @@
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/mm.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include "mem_user.h"
@@ -77,6 +78,7 @@ out:
static int mmapper_open(struct inode *inode, struct file *file)
{
+ cycle_kernel_lock();
return 0;
}