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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 14:48:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 14:48:31 -0700
commitd1794f2c5b5817eb79ccc5e00701ca748d1b073a (patch)
tree5a4c98e694e88a8c82f342d0cc9edb2a4cbbef36 /arch/x86/kernel/microcode.c
parenta41eebab7537890409ea9dfe0fcda9b5fbdb090d (diff)
parent2fceef397f9880b212a74c418290ce69e7ac00eb (diff)
downloadlinux-d1794f2c5b5817eb79ccc5e00701ca748d1b073a.tar.bz2
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits) IB/umad: BKL is not needed for ib_umad_open() IB/uverbs: BKL is not needed for ib_uverbs_open() bf561-coreb: BKL unneeded for open() Call fasync() functions without the BKL snd/PCM: fasync BKL pushdown ipmi: fasync BKL pushdown ecryptfs: fasync BKL pushdown Bluetooth VHCI: fasync BKL pushdown tty_io: fasync BKL pushdown tun: fasync BKL pushdown i2o: fasync BKL pushdown mpt: fasync BKL pushdown Remove BKL from remote_llseek v2 Make FAT users happier by not deadlocking x86-mce: BKL pushdown vmwatchdog: BKL pushdown vmcp: BKL pushdown via-pmu: BKL pushdown uml-random: BKL pushdown uml-mmapper: BKL pushdown ...
Diffstat (limited to 'arch/x86/kernel/microcode.c')
-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 9758fea87c5b..f47ba8156f3e 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -76,6 +76,7 @@
#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>
@@ -423,6 +424,7 @@ out:
static int microcode_open (struct inode *unused1, struct file *unused2)
{
+ cycle_kernel_lock();
return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
}