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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 10:43:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 10:43:11 -0700
commit5704e44d283e907623e3775c1262f206a2c48cf3 (patch)
tree0a981b24173e90854e7b7d812b35859e1e5f0174 /arch/parisc/kernel/perf.c
parent91151240ed8e97cc4457dae4094153c2744f1eb8 (diff)
parent6de5bd128d381ad88ac6d419a5e597048eb468cf (diff)
Merge branch 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl: BKL: introduce CONFIG_BKL. dabusb: remove the BKL sunrpc: remove the big kernel lock init/main.c: remove BKL notations blktrace: remove the big kernel lock rtmutex-tester: make it build without BKL dvb-core: kill the big kernel lock dvb/bt8xx: kill the big kernel lock tlclk: remove big kernel lock fix rawctl compat ioctls breakage on amd64 and itanic uml: kill big kernel lock parisc: remove big kernel lock cris: autoconvert trivial BKL users alpha: kill big kernel lock isapnp: BKL removal s390/block: kill the big kernel lock hpet: kill BKL, add compat_ioctl
Diffstat (limited to 'arch/parisc/kernel/perf.c')
-rw-r--r--arch/parisc/kernel/perf.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index f9f6783e4bd..ba0c053e25a 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;
}