From 9ee7fd9c605247baf81d196ade090698a0759e9c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Wed, 14 Nov 2007 06:07:56 +1100
Subject: [PATCH] [POWERPC] PMU: Don't lock_kernel()
I see nothing that this lock_kernel() actually protects against,
so remove it.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
drivers/macintosh/via-pmu.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index dc741d3a4531..6886814b1e65 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -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 file *file)
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 file *file)
kfree(pp);
}
- unlock_kernel();
return 0;
}
--
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