From 9b6d355987d5cb552305e595177346333f5a1746 Mon Sep 17 00:00:00 2001 From: "kfraser@localhost.localdomain" Date: Wed, 20 Jun 2007 13:39:54 +0100 Subject: [PATCH] 32-on-64: First slot of hidden L4 page directory must start life as zero. Signed-off-by: Keir Fraser --- xen/arch/x86/domain.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c index 544846e685..63364b0e8e 100644 --- a/xen/arch/x86/domain.c +++ b/xen/arch/x86/domain.c @@ -239,6 +239,7 @@ static int setup_compat_l4(struct vcpu *v) 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)] = -- 2.30.2