diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:45 -0800 |
| commit | fa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (patch) | |
| tree | 64a6b20c6c6e19a731882f830bd70ca5c8d99943 /drivers/macintosh/via-pmu68k.c | |
| parent | 2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (diff) | |
| download | lwn-fa027c2a0a0d6d1df6b29ee99048502c93da0dd4.tar.gz lwn-fa027c2a0a0d6d1df6b29ee99048502c93da0dd4.zip | |
[PATCH] mark struct file_operations const 4
Many struct file_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.
[akpm@sdl.org: dvb fix]
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/macintosh/via-pmu68k.c')
| -rw-r--r-- | drivers/macintosh/via-pmu68k.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c index 93e6ef9233f9..4f5b6fa196c5 100644 --- a/drivers/macintosh/via-pmu68k.c +++ b/drivers/macintosh/via-pmu68k.c @@ -1040,7 +1040,7 @@ static int pmu_ioctl(struct inode * inode, struct file *filp, return -EINVAL; } -static struct file_operations pmu_device_fops = { +static const struct file_operations pmu_device_fops = { .read = pmu_read, .write = pmu_write, .ioctl = pmu_ioctl, |