Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Wei Liu <wei.l...@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com>
---
xen/arch/x86/domctl.c | 2 ++
xen/arch/x86/hvm/hvm.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c
index 2585d4e..1a15a34 100644
--- a/xen/arch/x86/domctl.c
+++ b/xen/arch/x86/domctl.c
@@ -1292,6 +1292,7 @@ long arch_do_domctl(
struct xen_domctl_vcpu_msr msr = {};
struct vcpu *v;
static const uint32_t msrs_to_send[] = {
+ MSR_SPEC_CTRL,
MSR_INTEL_MISC_FEATURES_ENABLES,
};
uint32_t nr_msrs = ARRAY_SIZE(msrs_to_send);
@@ -1415,6 +1416,7 @@ long arch_do_domctl(
switch ( msr.index )
{
+ case MSR_SPEC_CTRL:
case MSR_INTEL_MISC_FEATURES_ENABLES:
if ( guest_wrmsr(v, msr.index, msr.value) != X86EMUL_OKAY )
break;
diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index db282b5..ed36598 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -1323,6 +1323,7 @@ static int hvm_load_cpu_xsave_states(struct domain *d,
hvm_domain_context_t *h)
#define HVM_CPU_MSR_SIZE(cnt) offsetof(struct hvm_msr, msr[cnt])
static const uint32_t msrs_to_send[] = {
+ MSR_SPEC_CTRL,
MSR_INTEL_MISC_FEATURES_ENABLES,
};
static unsigned int __read_mostly msr_count_max = ARRAY_SIZE(msrs_to_send);
@@ -1458,6 +1459,7 @@ static int hvm_load_cpu_msrs(struct domain *d,
hvm_domain_context_t *h)
{
int rc;
+ case MSR_SPEC_CTRL:
case MSR_INTEL_MISC_FEATURES_ENABLES:
rc = guest_wrmsr(v, ctxt->msr[i].index, ctxt->msr[i].val);
--
2.1.4
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