linux-kernel - Re: [PATCH V5 4/4] KVM: selftests: Add test for configure of x86 APIC bus frequency

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Date: Fri, 26 Apr 2024 16:06:22 -0700
From: "Chen, Zide" <zide.chen@...el.com>
To: Reinette Chatre <reinette.chatre@...el.com>, isaku.yamahata@...el.com,
 pbonzini@...hat.com, erdemaktas@...gle.com, vkuznets@...hat.com,
 seanjc@...gle.com, vannapurve@...gle.com, jmattson@...gle.com,
 mlevitsk@...hat.com, xiaoyao.li@...el.com, chao.gao@...el.com,
 rick.p.edgecombe@...el.com
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 4/4] KVM: selftests: Add test for configure of x86 APIC
 bus frequency



On 4/25/2024 3:07 PM, Reinette Chatre wrote:
> diff --git a/tools/testing/selftests/kvm/x86_64/apic_bus_clock_test.c b/tools/testing/selftests/kvm/x86_64/apic_bus_clock_test.c
> new file mode 100644
> index 000000000000..5100b28228af
> --- /dev/null
> +++ b/tools/testing/selftests/kvm/x86_64/apic_bus_clock_test.c
> @@ -0,0 +1,166 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Test configure of APIC bus frequency.
> + *
> + * Copyright (c) 2024 Intel Corporation
> + *
> + * To verify if the APIC bus frequency can be configured this test starts

Nit: some typos here?

> +int main(int argc, char *argv[])
> +{
> +	struct kvm_vcpu *vcpu;
> +	struct kvm_vm *vm;
> +
> +	TEST_REQUIRE(kvm_has_cap(KVM_CAP_X86_APIC_BUS_CYCLES_NS));
> +
> +	vm = __vm_create(VM_SHAPE_DEFAULT, 1, 0);

Use vm_create() instead?