[PATCH v3 09/22] KVM: Do processor compatibility check on resume

isaku.yamahata
2022-09-02T02:18:32Z

From: Isaku Yamahata <isaku.yamahata@intel.com>

So far the processor compatibility check is not done on resume. It should
be done.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
---
virt/kvm/kvm_main.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0ac00c711384..fc55447c4dba 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -5715,6 +5715,13 @@ static int kvm_suspend(void)

static void kvm_resume(void)
{
+ if (kvm_arch_check_processor_compat())
+ /*
+ * No warning here because kvm_arch_check_processor_compat()
+ * would have warned with more information.
+ */
+ return; /* FIXME: disable KVM */
+
if (kvm_usage_count) {
lockdep_assert_not_held(&kvm_count_lock);
hardware_enable_nolock((void *)__func__);
--
2.25.1