diff options
author | Rik van Riel <riel@redhat.com> | 2008-07-24 04:27:07 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 17:47:15 (GMT) |
commit | 7ae8ed5053a39082d224a3f48409e016baca9c16 (patch) | |
tree | 1ba7e36001eeb069015944e3829a06cacef6cbe1 | |
parent | 28b2ee20c7cba812b6f2ccf6d722cf86d00a84dc (diff) | |
download | linux-7ae8ed5053a39082d224a3f48409e016baca9c16.tar.xz |
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>
-rw-r--r-- | arch/x86/pci/i386.c | 1 | ||||
-rw-r--r-- | drivers/char/mem.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 2aafb67..a095058 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -280,6 +280,7 @@ static void pci_track_mmap_page_range(struct vm_area_struct *vma) static struct vm_operations_struct pci_mmap_ops = { .open = pci_track_mmap_page_range, .close = pci_unmap_page_range, + .access = generic_access_phys, }; int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, diff --git a/drivers/char/mem.c b/drivers/char/mem.c index c2dba82..672b08e 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) |