diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2010-04-27 16:24:22 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-05-17 05:27:03 +0200 |
| commit | 1114b68468fa2359e15c75f415793b9dd0e5d837 (patch) | |
| tree | bd1f7b774024c704c9f537cd76e519af237477f4 | |
| parent | 7cc4bcc6f152d365eb27acba5dcb7b38b36b3e50 (diff) | |
| download | op-kernel-dev-1114b68468fa2359e15c75f415793b9dd0e5d837.zip op-kernel-dev-1114b68468fa2359e15c75f415793b9dd0e5d837.tar.gz | |
sn_hwperf: Kill BKL usage
This driver always gave up the BKL in its ioctl function, so just
convert it to unlocked_ioctl and remove the BKL here.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
| -rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_hwperf.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 55ac3c4..d68fe0f 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -30,7 +30,6 @@ #include <linux/miscdevice.h> #include <linux/utsname.h> #include <linux/cpumask.h> -#include <linux/smp_lock.h> #include <linux/nodemask.h> #include <linux/smp.h> #include <linux/mutex.h> @@ -682,8 +681,7 @@ static int sn_hwperf_map_err(int hwperf_err) /* * ioctl for "sn_hwperf" misc device */ -static int -sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg) +static long sn_hwperf_ioctl(struct file *fp, u32 op, unsigned long arg) { struct sn_hwperf_ioctl_args a; struct cpuinfo_ia64 *cdata; @@ -699,8 +697,6 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg) int i; int j; - unlock_kernel(); - /* only user requests are allowed here */ if ((op & SN_HWPERF_OP_MASK) < 10) { r = -EINVAL; @@ -859,12 +855,11 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg) error: vfree(p); - lock_kernel(); return r; } static const struct file_operations sn_hwperf_fops = { - .ioctl = sn_hwperf_ioctl, + .unlocked_ioctl = sn_hwperf_ioctl, }; static struct miscdevice sn_hwperf_dev = { |
