4.20-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit 35b531a1e7fc30ac8c62e5ac1794eb1460da614e ]
Check that KVM_CAP_HYPERV_ENLIGHTENED_VMCS returns correct version range.
Signed-off-by: Vitaly Kuznetsov vkuznets@redhat.com Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/kvm/x86_64/evmcs_test.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c index ea3c73e8f4f6e..c49c2a28b0eb2 100644 --- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c +++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c @@ -103,6 +103,12 @@ int main(int argc, char *argv[])
vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
+ /* KVM should return supported EVMCS version range */ + TEST_ASSERT(((evmcs_ver >> 8) >= (evmcs_ver & 0xff)) && + (evmcs_ver & 0xff) > 0, + "Incorrect EVMCS version range: %x:%x\n", + evmcs_ver & 0xff, evmcs_ver >> 8); + run = vcpu_state(vm, VCPU_ID);
vcpu_regs_get(vm, VCPU_ID, ®s1);