# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1250789251 -3600
# Node ID 100699877583818a54bc16360dfd5cf80daa5dc7
# Parent  280fff79f7371981bb0bbda34205414fff14737e
x86_64 hvm: Adjust COMPAT_VIRT_START for 32-bit HVM guests.

The PV limit should not apply as there is no M2P table mapped into an
HVM guest's virtual address space.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

Index: xen-3.4.1-testing/xen/arch/x86/domain.c
===================================================================
--- xen-3.4.1-testing.orig/xen/arch/x86/domain.c
+++ xen-3.4.1-testing/xen/arch/x86/domain.c
@@ -428,7 +428,8 @@ int arch_domain_create(struct domain *d,
 #endif /* __x86_64__ */
 
 #ifdef CONFIG_COMPAT
-    HYPERVISOR_COMPAT_VIRT_START(d) = __HYPERVISOR_COMPAT_VIRT_START;
+    HYPERVISOR_COMPAT_VIRT_START(d) =
+        is_hvm_domain(d) ? ~0u : __HYPERVISOR_COMPAT_VIRT_START;
 #endif
 
     if ( (rc = paging_domain_init(d)) != 0 )