linux-kernel - Re: [PATCH v4 0/5] KVM: x86: Intel LBR related perf cleanups

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Message-ID: <Yxnx8InRcF94zi0n@hirez.programming.kicks-ass.net>
Date:   Thu, 8 Sep 2022 15:45:20 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, Like Xu <like.xu.linux@...il.com>
Subject: Re: [PATCH v4 0/5]  KVM: x86: Intel LBR related perf cleanups

On Thu, Sep 01, 2022 at 05:32:53PM +0000, Sean Christopherson wrote:

> Sean Christopherson (5):
>   perf/x86/core: Remove unnecessary stubs provided for KVM-only helpers
>   perf/x86/core: Drop the unnecessary return value from
>     x86_perf_get_lbr()
>   KVM: VMX: Move vmx_get_perf_capabilities() definition to vmx.c
>   KVM: VMX: Fold vmx_supported_debugctl() into vcpu_supported_debugctl()
>   KVM: VMX: Advertise PMU LBRs if and only if perf supports LBRs

These look good to me; how do you want this routed, if through the KVM
tree:

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>