aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2008-05-20 19:16:16 +0200
committerJonathan Corbet <corbet@lwn.net>2008-06-20 14:05:59 -0600
commit77149367dade50af8370420265bd4f818cde8afd (patch)
tree015b152e8e6c772d23be303bd83b1dd0a40ce08b
parentb78032a7e52995b42d231d0064358eef16c9a8cc (diff)
microcode: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--arch/x86/kernel/microcode.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 69729e38b78..9f0a994eef9 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -75,6 +75,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/cpumask.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -422,6 +423,7 @@ out:
static int microcode_open (struct inode *unused1, struct file *unused2)
{
+ cycle_kernel_lock();
return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
}