KVM: nVMX: Fix VMX controls MSRs setup when nested VMX enabled

KVM supports the nested VM_{EXIT, ENTRY}_LOAD_IA32_PERF_GLOBAL_CTRL and
VM_{ENTRY_LOAD, EXIT_CLEAR}_BNDCFGS, but they are not exposed by the
system ioctl KVM_GET_MSR.  Add them to the setup of nested VMX controls MSR.

Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20200828085622.8365-2-chenyi.qiang@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 1bb6b31..07dc566 100644 (file)
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -6318,7 +6318,8 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps)
 #ifdef CONFIG_X86_64
                VM_EXIT_HOST_ADDR_SPACE_SIZE |
 #endif
-               VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT;
+               VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT |
+               VM_EXIT_CLEAR_BNDCFGS | VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL;
        msrs->exit_ctls_high |=
                VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR |
                VM_EXIT_LOAD_IA32_EFER | VM_EXIT_SAVE_IA32_EFER |
@@ -6337,7 +6338,8 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps)
 #ifdef CONFIG_X86_64
                VM_ENTRY_IA32E_MODE |
 #endif
-               VM_ENTRY_LOAD_IA32_PAT;
+               VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS |
+               VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL;
        msrs->entry_ctls_high |=
                (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER);