linux-kernel - Re: [PATCH 2/2] KVM: selftests: Report enable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Y+vM/KBFNGd+SX9l@google.com>
Date:   Tue, 14 Feb 2023 10:03:40 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     Like Xu <like.xu.linux@...il.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] KVM: selftests: Report enable_pmu module value when
 test is skipped

On Tue, Feb 14, 2023, Like Xu wrote:
> From: Like Xu <likexu@...cent.com>
> 
> Running x86_64/pmu_event_filter_test with enable_pmu globally disabled
> will report the following skipping prompt:
> 	1..0 # SKIP - Requirement not met: use_intel_pmu() || use_amd_pmu()
> this can be confusing, so add a check on enable_pmu.
> 
> Signed-off-by: Like Xu <likexu@...cent.com>
> ---
>  tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c
> index bad7ef8c5b92..070bc8a60a7f 100644
> --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c
> +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c
> @@ -771,6 +771,7 @@ int main(int argc, char *argv[])
>  	TEST_REQUIRE(kvm_has_cap(KVM_CAP_PMU_EVENT_FILTER));
>  	TEST_REQUIRE(kvm_has_cap(KVM_CAP_PMU_EVENT_MASKED_EVENTS));
>  
> +	TEST_REQUIRE(get_kvm_param_bool("enable_pmu"));

I think it makes sense to put this at the very top, just in case more requirements
that depend on enable_pmu get added in the future.  I can do that when applying.

I'll plan on grabbing this for 6.4.

Thanks!