diff options
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/ioctl32.c | 5 | ||||
| -rw-r--r-- | arch/parisc/kernel/perf.c | 33 |
2 files changed, 20 insertions, 18 deletions
diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c index 0a331104ad5..5da44c3d62e 100644 --- a/arch/parisc/kernel/ioctl32.c +++ b/arch/parisc/kernel/ioctl32.c @@ -561,11 +561,6 @@ IOCTL_TABLE_START #define DECLARES #include "compat_ioctl.c" -/* PA-specific ioctls */ -COMPATIBLE_IOCTL(PA_PERF_ON) -COMPATIBLE_IOCTL(PA_PERF_OFF) -COMPATIBLE_IOCTL(PA_PERF_VERSION) - /* And these ioctls need translation */ HANDLE_IOCTL(SIOCGPPPSTATS, dev_ifsioc) HANDLE_IOCTL(SIOCGPPPCSTATS, dev_ifsioc) diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index 44670d6e06f..f6fec62b6a2 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -196,8 +196,7 @@ static int perf_open(struct inode *inode, struct file *file); static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos); static ssize_t perf_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos); -static int perf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg); +static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static void perf_start_counters(void); static int perf_stop_counters(uint32_t *raddr); static struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num); @@ -438,48 +437,56 @@ static void perf_patch_images(void) * must be running on the processor that you wish to change. */ -static int perf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long error_start; - uint32_t raddr[4]; + uint32_t raddr[4]; + int error = 0; + lock_kernel(); switch (cmd) { case PA_PERF_ON: /* Start the counters */ perf_start_counters(); - return 0; + break; case PA_PERF_OFF: error_start = perf_stop_counters(raddr); if (error_start != 0) { printk(KERN_ERR "perf_off: perf_stop_counters = %ld\n", error_start); - return -EFAULT; + error = -EFAULT; + break; } /* copy out the Counters */ if (copy_to_user((void __user *)arg, raddr, sizeof (raddr)) != 0) { - return -EFAULT; + error = -EFAULT; + break; } - return 0; + break; case PA_PERF_VERSION: /* Return the version # */ - return put_user(PERF_VERSION, (int *)arg); + error = put_user(PERF_VERSION, (int *)arg); + break; default: - break; + error = -ENOTTY; } - return -ENOTTY; + + unlock_kernel(); + + return error; } static struct file_operations perf_fops = { .llseek = no_llseek, .read = perf_read, .write = perf_write, - .ioctl = perf_ioctl, + .unlocked_ioctl = perf_ioctl, + .compat_ioctl = perf_ioctl, .open = perf_open, .release = perf_release }; |