Subject: [PATCH 2.6.25 1/5] PMU: dont lock_kernel()

From: Johannes Berg <[email-masked]>
Date: Tue, 11 Dec 2007 15:21:23 +0100

I see nothing that this lock_kernel() actually protects against
so remove it.

Signed-off-by: Johannes Berg <[email-masked]>
Acked-by: Benjamin Herrenschmidt <[email-masked]>
---
 drivers/macintosh/via-pmu.c |    3 ---
 1 file changed, 3 deletions(-)

--- everything.orig/drivers/macintosh/via-pmu.c	2007-12-04 19:51:41.356950738 +0100
+++ everything/drivers/macintosh/via-pmu.c	2007-12-04 19:54:37.936951768 +0100
@@ -33,7 +33,6 @@
 #include <linux/adb.h>
 #include <linux/pmu.h>
 #include <linux/cuda.h>
-#include <linux/smp_lock.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/pm.h>
@@ -2547,7 +2546,6 @@ pmu_release(struct inode *inode, struct 
 	struct pmu_private *pp = file->private_data;
 	unsigned long flags;
 
-	lock_kernel();
 	if (pp != 0) {
 		file->private_data = NULL;
 		spin_lock_irqsave(&all_pvt_lock, flags);
@@ -2561,7 +2559,6 @@ pmu_release(struct inode *inode, struct 
 
 		kfree(pp);
 	}
-	unlock_kernel();
 	return 0;
 }

--