1 file changed, 1 insertion(+), 1 deletion(-)
mm/memory.c | 2 +-
We don't want to read PTEs directly like this after they have been
modified, as a lazy MMU implementation of direct page tables may not
have written the updated PTE back to memory yet.
Signed-off-by: Zachary Amsden <zach at vmware.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy at xensource.com>
===================================================================
diff -r 0adfc39039c7 -r 20f9c0c451af mm/memory.c
--- a/mm/memory.c Tue Aug 01 01:32:00 2006 -0700
+++ b/mm/memory.c Tue Aug 01 01:32:00 2006 -0700
@@ -466,7 +466,7 @@ copy_one_pte(struct mm_struct *dst_mm, s
*/
if (is_cow_mapping(vm_flags)) {
ptep_set_wrprotect(src_mm, addr, src_pte);
- pte = *src_pte;
+ pte = pte_wrprotect(pte);
}
/*
