# HG changeset patch
# User cegger
# Date 1271330295 -7200
Allow nested guest to switch into paged realmode.
This is needed to make hvmloader work when we do nested virtualization with
xen in xen.

diff -r 891bd80cbed6 -r 96efed7dedaf xen/arch/x86/hvm/hvm.c
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1073,9 +1073,6 @@ int hvm_set_cr0(unsigned long value)
     /* ET is reserved and should be always be 1. */
     value |= X86_CR0_ET;
 
-    if ( (value & (X86_CR0_PE | X86_CR0_PG)) == X86_CR0_PG )
-        goto gpf;
-
     if ( (value & X86_CR0_PG) && !(old_value & X86_CR0_PG) )
     {
         if ( v->arch.hvm_vcpu.guest_efer & EFER_LME )