diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:45 -0800 |
| commit | 2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (patch) | |
| tree | 3eb7dfbc8d5e4031e4992bdd566e211f5ada71f3 /drivers/char/drm | |
| parent | 5dfe4c964a0dd7bb3a1d64a4166835a153146207 (diff) | |
| download | op-kernel-dev-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.zip op-kernel-dev-2b8693c0617e972fc0b2fd1ebf8de97e15b656c3.tar.gz | |
[PATCH] mark struct file_operations const 3
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.
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/char/drm')
| -rw-r--r-- | drivers/char/drm/drm_drv.c | 2 | ||||
| -rw-r--r-- | drivers/char/drm/i810_dma.c | 2 | ||||
| -rw-r--r-- | drivers/char/drm/i830_dma.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c index a70af0d..f5b9b24 100644 --- a/drivers/char/drm/drm_drv.c +++ b/drivers/char/drm/drm_drv.c @@ -371,7 +371,7 @@ void drm_exit(struct drm_driver *driver) EXPORT_SYMBOL(drm_exit); /** File operations structure */ -static struct file_operations drm_stub_fops = { +static const struct file_operations drm_stub_fops = { .owner = THIS_MODULE, .open = drm_stub_open }; diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c index 60cb4e4..603d17f 100644 --- a/drivers/char/drm/i810_dma.c +++ b/drivers/char/drm/i810_dma.c @@ -112,7 +112,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) return 0; } -static struct file_operations i810_buffer_fops = { +static const struct file_operations i810_buffer_fops = { .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c index 9522445..3314a9f 100644 --- a/drivers/char/drm/i830_dma.c +++ b/drivers/char/drm/i830_dma.c @@ -114,7 +114,7 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) return 0; } -static struct file_operations i830_buffer_fops = { +static const struct file_operations i830_buffer_fops = { .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, |
