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-rw-r--r--xen/arch/x86/hvm/hvm.c3
-rw-r--r--xen/arch/x86/hvm/vmx/vvmx.c3
2 files changed, 5 insertions, 1 deletions
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index e0e0f5ddb5..150b0ec460 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1732,7 +1732,8 @@ int hvm_set_cr0(unsigned long value)
{
if ( v->arch.hvm_vcpu.guest_efer & EFER_LME )
{
- if ( !(v->arch.hvm_vcpu.guest_cr[4] & X86_CR4_PAE) )
+ if ( !(v->arch.hvm_vcpu.guest_cr[4] & X86_CR4_PAE) &&
+ !nestedhvm_vmswitch_in_progress(v) )
{
HVM_DBG_LOG(DBG_LEVEL_1, "Enable paging before PAE enable");
goto gpf;
diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c
index ba617fa9d2..d476f03dcd 100644
--- a/xen/arch/x86/hvm/vmx/vvmx.c
+++ b/xen/arch/x86/hvm/vmx/vvmx.c
@@ -1342,6 +1342,7 @@ static void virtual_vmexit(struct cpu_user_regs *regs)
nestedhvm_vcpu_exit_guestmode(v);
nvcpu->nv_vmexit_pending = 0;
+ nvcpu->nv_vmswitch_in_progress = 1;
lm_l2 = !!hvm_long_mode_enabled(v);
lm_l1 = !!(__get_vvmcs(nvcpu->nv_vvmcx, VM_EXIT_CONTROLS) &
@@ -1372,6 +1373,7 @@ static void virtual_vmexit(struct cpu_user_regs *regs)
if ( cpu_has_vmx_virtual_intr_delivery )
nvmx_update_apicv(v);
+ nvcpu->nv_vmswitch_in_progress = 0;
vmreturn(regs, VMSUCCEED);
}
@@ -1877,6 +1879,7 @@ int nvmx_msr_read_intercept(unsigned int msr, u64 *msr_content)
data = SECONDARY_EXEC_DESCRIPTOR_TABLE_EXITING |
SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
SECONDARY_EXEC_ENABLE_VPID |
+ SECONDARY_EXEC_UNRESTRICTED_GUEST |
SECONDARY_EXEC_ENABLE_EPT;
data = gen_vmx_msr(data, 0, host_data);
break;