From 77751ed79e3c615f3d85dbf2b1573c3f5ed6aa5c Mon Sep 17 00:00:00 2001 From: Haozhong Zhang Date: Wed, 1 Mar 2017 10:30:32 +0100 Subject: [PATCH] x86/hvm: check HAP before enabling nested VMX The current implementation of nested VMX cannot work without HAP. Signed-off-by: Haozhong Zhang Acked-by: Jan Beulich --- xen/arch/x86/hvm/hvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 9eeb0a2ff2..3d623ecc7a 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -4156,7 +4156,7 @@ static int hvmop_set_param( * Remove the check below once we have * shadow-on-shadow. */ - if ( cpu_has_svm && !paging_mode_hap(d) && a.value ) + if ( !paging_mode_hap(d) && a.value ) rc = -EINVAL; if ( a.value && d->arch.hvm_domain.params[HVM_PARAM_ALTP2M] ) -- 2.30.2