[Xen-changelog] [xen-unstable] 32-on-64: First slot of hidden L4 page directory must start life as zero.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1182343194 -3600
# Node ID fe3df33e27615a9732f0ae73d65dae0f23afbb4d
# Parent  69658f935cc737c46d33404ccb5e9aff9842e5cb
32-on-64: First slot of hidden L4 page directory must start life as zero.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/arch/x86/domain.c |    1 +
 1 files changed, 1 insertion(+)

diff -r 69658f935cc7 -r fe3df33e2761 xen/arch/x86/domain.c
--- a/xen/arch/x86/domain.c     Wed Jun 20 13:38:48 2007 +0100
+++ b/xen/arch/x86/domain.c     Wed Jun 20 13:39:54 2007 +0100
@@ -239,6 +239,7 @@ static int setup_compat_l4(struct vcpu *
     pg->u.inuse.type_info = PGT_l4_page_table|PGT_validated;
 
     l4tab = copy_page(page_to_virt(pg), idle_pg_table);
+    l4tab[0] = l4e_empty();
     l4tab[l4_table_offset(LINEAR_PT_VIRT_START)] =
         l4e_from_page(pg, __PAGE_HYPERVISOR);
     l4tab[l4_table_offset(PERDOMAIN_VIRT_START)] =

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