From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Tue, 12 Apr 2011 11:19:49 +0000 (+0100)
Subject: xen: mask_rw_pte mark RO all pagetable pages up to pgt_buf_top
X-Git-Tag: v2.6.39-rc6~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9269dc7bfdf8c985971c09f2dcb2aa04ad7986d;p=pandora-kernel.git

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>
---

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