[patch 04/28] x86: Remove BKL from microcode

From: Thomas Gleixner
Date: Sat Oct 10 2009 - 11:38:01 EST


cycle_lock_kernel() in microcode_open() is a worthless exercise as
there is nothing to wait for. Remove it.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/kernel/microcode_core.c | 2 --
1 file changed, 2 deletions(-)

Index: linux-2.6-tip/arch/x86/kernel/microcode_core.c
===================================================================
--- linux-2.6-tip.orig/arch/x86/kernel/microcode_core.c
+++ linux-2.6-tip/arch/x86/kernel/microcode_core.c
@@ -73,7 +73,6 @@
#include <linux/platform_device.h>
#include <linux/miscdevice.h>
#include <linux/capability.h>
-#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
@@ -201,7 +200,6 @@ static int do_microcode_update(const voi

static int microcode_open(struct inode *unused1, struct file *unused2)
{
- cycle_kernel_lock();
return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
}



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