linux-kernel - Re: [PATCH v2 3/6] KVM: x86/pmu: Reuse pmc_perf_hw_id() and drop find_fixed

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Message-ID: <CALMp9eSwZ69nZF2q4Xki_X25-8yBc1y_7iXRdPh6F89j8rym2w@mail.gmail.com>
Date:   Wed, 8 Dec 2021 19:58:22 -0800
From:   Jim Mattson <jmattson@...gle.com>
To:     Like Xu <like.xu.linux@...il.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Like Xu <likexu@...cent.com>
Subject: Re: [PATCH v2 3/6] KVM: x86/pmu: Reuse pmc_perf_hw_id() and drop find_fixed_event()

On Mon, Nov 29, 2021 at 11:42 PM Like Xu <like.xu.linux@...il.com> wrote:
>
> From: Like Xu <likexu@...cent.com>
>
> Since we set the same semantic event value for the fixed counter in
> pmc->eventsel, returning the perf_hw_id for the fixed counter via
> find_fixed_event() can be painlessly replaced by pmc_perf_hw_id()
> with the help of pmc_is_fixed() check.
>
> Signed-off-by: Like Xu <likexu@...cent.com>
Reviewed-by: Jim Mattson <jmattson@...gle.com>