diff options
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/perf.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index f9f6783e4bdd..ba0c053e25ae 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -46,7 +46,6 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/miscdevice.h> -#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <asm/uaccess.h> @@ -261,16 +260,13 @@ printk("Preparing to start counters\n"); */ static int perf_open(struct inode *inode, struct file *file) { - lock_kernel(); spin_lock(&perf_lock); if (perf_enabled) { spin_unlock(&perf_lock); - unlock_kernel(); return -EBUSY; } perf_enabled = 1; spin_unlock(&perf_lock); - unlock_kernel(); return 0; } |