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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
Date: Tue, 24 Aug 2021 10:28:40 +0300	[thread overview]
Message-ID: <87v93vi9nb.fsf@ashishki-desk.ger.corp.intel.com> (raw)
In-Reply-To: <20210823193709.55886-3-seanjc@google.com>

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

  reply	other threads:[~2021-08-24  7:28 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-23 19:37 [PATCH 0/3] perf/x86/intel: KVM: PT intr handler fix and cleanup Sean Christopherson
2021-08-23 19:37 ` [PATCH 1/3] KVM: x86: Register perf callbacks after calling vendor's hardware_setup() Sean Christopherson
2021-08-23 19:37 ` [PATCH 2/3] KVM: x86: Register Processor Trace interrupt hook iff PT enabled in guest Sean Christopherson
2021-08-24  7:28   ` Alexander Shishkin [this message]
2021-08-24 14:11     ` Sean Christopherson
2021-08-25  7:24   ` Like Xu
2021-08-25 14:59     ` Sean Christopherson
2021-08-25 20:09       ` Sean Christopherson
2021-08-23 19:37 ` [PATCH 3/3] perf/x86/intel: Fold current_vcpu check into KVM's PT intr handler Sean Christopherson

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