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use generic_access_phys for /dev/mem mappings

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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>
This commit is contained in:
Rik van Riel 2008-07-23 21:27:07 -07:00 committed by Linus Torvalds
parent 28b2ee20c7
commit 7ae8ed5053
2 changed files with 5 additions and 1 deletions
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1
arch/x86/pci/i386.c
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@ -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,

5
drivers/char/mem.c
View file

@ -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)