diff options
| author | Rik van Riel <riel@redhat.com> | 2008-07-23 21:27:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 10:47:15 -0700 |
| commit | 7ae8ed5053a39082d224a3f48409e016baca9c16 (patch) | |
| tree | 1ba7e36001eeb069015944e3829a06cacef6cbe1 /drivers/char/mem.c | |
| parent | 28b2ee20c7cba812b6f2ccf6d722cf86d00a84dc (diff) | |
| download | linux-stable-7ae8ed5053a39082d224a3f48409e016baca9c16.tar.gz linux-stable-7ae8ed5053a39082d224a3f48409e016baca9c16.tar.bz2 linux-stable-7ae8ed5053a39082d224a3f48409e016baca9c16.zip | |
use generic_access_phys for /dev/mem mappings
Use generic_access_phys as the access_process_vm access function for
/dev/mem mappings. This makes it possible to debug the X server.
[akpm@linux-foundation.org: repair all the architectures which broke]
Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: Benjamin Herrensmidt <benh@kernel.crashing.org>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/mem.c')
| -rw-r--r-- | drivers/char/mem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index c2dba82eb5f7..672b08e694d0 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -327,7 +327,10 @@ static void mmap_mem_close(struct vm_area_struct *vma) static struct vm_operations_struct mmap_mem_ops = { .open = mmap_mem_open, - .close = mmap_mem_close + .close = mmap_mem_close, +#ifdef CONFIG_HAVE_IOREMAP_PROT + .access = generic_access_phys +#endif }; static int mmap_mem(struct file * file, struct vm_area_struct * vma) |