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From:   Alexander Shishkin <alexander.shishkin@linux.intel.com>
To:     Sean Christopherson <seanjc@google.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Paolo Bonzini <pbonzini@redhat.com>
Cc:     Mark Rutland <mark.rutland@arm.com>, Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Sean Christopherson <seanjc@google.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        Wanpeng Li <wanpengli@tencent.com>,
        Jim Mattson <jmattson@google.com>,
        Joerg Roedel <joro@8bytes.org>,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org, Artem Kashkanov <artem.kashkanov@intel.com>,
        alexander.shishkin@linux.intel.com
Subject: Re: [PATCH 2/3] KVM: x86: Register Processor Trace interrupt hook
 iff PT enabled in guest
In-Reply-To: <20210823193709.55886-3-seanjc@google.com>
References: <20210823193709.55886-1-seanjc@google.com>
 <20210823193709.55886-3-seanjc@google.com>
Date:   Tue, 24 Aug 2021 10:28:40 +0300
Message-ID: <87v93vi9nb.fsf@ashishki-desk.ger.corp.intel.com>
MIME-Version: 1.0
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Sean Christopherson <seanjc@google.com> writes:

> diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
> index 0e4f2b1fa9fb..b06dbbd7eeeb 100644
> --- a/arch/x86/kvm/pmu.h
> +++ b/arch/x86/kvm/pmu.h
> @@ -41,6 +41,7 @@ struct kvm_pmu_ops {
>  	void (*reset)(struct kvm_vcpu *vcpu);
>  	void (*deliver_pmi)(struct kvm_vcpu *vcpu);
>  	void (*cleanup)(struct kvm_vcpu *vcpu);
> +	void (*handle_intel_pt_intr)(void);

What's this one for?

Regards,
--
Alex