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Message-ID: <ZJymHAKx9XNAFYPk@google.com>
Date: Wed, 28 Jun 2023 14:29:00 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Jinrong Liang <ljr.kernel@...il.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>,
Jim Mattson <jmattson@...gle.com>,
Shuah Khan <shuah@...nel.org>,
Aaron Lewis <aaronlewis@...gle.com>,
David Matlack <dmatlack@...gle.com>,
Vishal Annapurve <vannapurve@...gle.com>,
Wanpeng Li <wanpengli@...cent.com>,
Like Xu <like.xu.linux@...il.com>,
Jinrong Liang <cloudliang@...cent.com>,
linux-kselftest@...r.kernel.org, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/4] KVM: selftests: Check if event filter meets
expectations on fixed counters
On Wed, Jun 07, 2023, Jinrong Liang wrote:
> + /*
> + * Check the fixed performance counter can count normally works when
> + * KVM userspace doesn't set any pmu filter.
> + */
> + TEST_ASSERT(run_vcpu_to_sync(vcpu),
> + "Fixed counter does not exist or does not work as expected.");
No punctuation, and print the unexpected return value so that debug isn't too
painful.
> +
> + for (i = 0; i < BIT(nr_fixed_counters); i++) {
> + bitmap = BIT(i);
> + count = test_with_fixed_counter_filter(vcpu, KVM_PMU_EVENT_ALLOW,
> + bitmap);
> + TEST_ASSERT(!!count == !!(bitmap & BIT(idx)),
> + "Fixed event filter does not work as expected.");
No punctuation please.
> +
> + count = test_with_fixed_counter_filter(vcpu, KVM_PMU_EVENT_DENY,
> + bitmap);
> + TEST_ASSERT(!!count == !(bitmap & BIT(idx)),
> + "Fixed event filter does not work as expected.");
> + }
> +}
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