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[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>
This commit is contained in:
Johannes Berg 2007-11-14 06:07:56 +11:00 committed by Paul Mackerras
parent 6215762064
commit 9ee7fd9c60
1 changed files with 0 additions and 3 deletions
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3
drivers/macintosh/via-pmu.c
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@ -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;
}