linux-kernel - [PATCH 3/3] selftests: kvm: vmx_dirty_log_test: skip the test when VMX is not supported

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Date:   Tue,  8 Oct 2019 21:43:38 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     kvm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Jim Mattson <jmattson@...gle.com>
Subject: [PATCH 3/3] selftests: kvm: vmx_dirty_log_test: skip the test when VMX is not supported

vmx_dirty_log_test fails on AMD and this is no surprise as it is VMX
specific. Bail early when nested VMX is unsupported.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
 tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
index 0bca1cfe2c1e..a223a6401258 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
@@ -78,6 +78,8 @@ int main(int argc, char *argv[])
 	struct ucall uc;
 	bool done = false;
 
+	nested_vmx_check_supported();
+
 	/* Create VM */
 	vm = vm_create_default(VCPU_ID, 0, l1_guest_code);
 	vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
-- 
2.20.1