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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>
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@ -33,7 +33,6 @@
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#include <linux/adb.h>
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#include <linux/pmu.h>
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#include <linux/cuda.h>
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#include <linux/smp_lock.h>
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include <linux/pm.h>
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@ -2547,7 +2546,6 @@ pmu_release(struct inode *inode, struct file *file)
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struct pmu_private *pp = file->private_data;
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unsigned long flags;
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lock_kernel();
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if (pp != 0) {
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file->private_data = NULL;
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spin_lock_irqsave(&all_pvt_lock, flags);
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@ -2561,7 +2559,6 @@ pmu_release(struct inode *inode, struct file *file)
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kfree(pp);
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}
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unlock_kernel();
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return 0;
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}
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