[PARISC] Remove {,un}lock_kernel from perf ioctl
authorMatthew Wilcox <willy@parisc-linux.org>
Tue, 17 Jan 2006 18:43:48 +0000 (11:43 -0700)
committerKyle McMartin <kyle@duet.int.mcmartin.ca>
Mon, 23 Jan 2006 01:26:52 +0000 (20:26 -0500)
Remove the lock_kernel/unlock_kernel pair in the ioctl method. It
plainly wasn't protecting anything.

Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
arch/parisc/kernel/perf.c

index 11178ccbb89a90a5160848c8070628ff27a8e10c..53f861c82f93d5d462144aa0501689152785b359 100644 (file)
@@ -444,7 +444,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
        uint32_t raddr[4];
        int error = 0;
 
-       lock_kernel();
        switch (cmd) {
 
            case PA_PERF_ON:
@@ -477,8 +476,6 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                        error = -ENOTTY;
        }
 
-       unlock_kernel();
-
        return error;
 }