[patch 2/5] use generic_access_phys for /dev/mem mappings

[Rik van Riel]

Use generic_access_phys as the access_process_vm access
function for /dev/mem mappings. This makes it possible to
debug the X server.

Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>

Index: ptrace-2.6.26-rc2-mm1/drivers/char/mem.c
===================================================================
--- ptrace-2.6.26-rc2-mm1.orig/drivers/char/mem.c	2008-05-15 13:28:13.000000000 -0400
+++ ptrace-2.6.26-rc2-mm1/drivers/char/mem.c	2008-05-15 13:28:41.000000000 -0400
@@ -326,7 +326,8 @@ static void mmap_mem_close(struct vm_are
 
 static struct vm_operations_struct mmap_mem_ops = {
 	.open  = mmap_mem_open,
-	.close = mmap_mem_close
+	.close = mmap_mem_close,
+	.access = generic_access_phys
 };
 
 static int mmap_mem(struct file * file, struct vm_area_struct * vma)

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