tree 72c8c5cb8c49c02d304255eafa25eba5fa03292a
parent a38647837a411f7df79623128421eef2118b5884
author Stefano Stabellini <stefano.stabellini@eu.citrix.com> 1302607189 +0100
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1304368432 -0400

xen: mask_rw_pte mark RO all pagetable pages up to pgt_buf_top

mask_rw_pte is currently checking if a pfn is a pagetable page if it
falls in the range pgt_buf_start - pgt_buf_end but that is incorrect
because pgt_buf_end is a moving target: pgt_buf_top is the real
boundary.

Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>