linux-kernel - Re: [PATCH v4 0/6] KVM: x86/vPMU: Efficiency optimization by reusing last created perf

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Message-ID: <20191028164324.GJ4097@hirez.programming.kicks-ass.net>
Date:   Mon, 28 Oct 2019 17:43:24 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Like Xu <like.xu@...ux.intel.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Jim Mattson <jmattson@...gle.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>,
        Jiri Olsa <jolsa@...hat.com>, Joerg Roedel <joro@...tes.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vitaly Kuznetsov <vkuznets@...hat.com>, kan.liang@...el.com,
        wei.w.wang@...el.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH v4 0/6]  KVM: x86/vPMU: Efficiency optimization by
 reusing last created perf_event

On Sun, Oct 27, 2019 at 06:52:37PM +0800, Like Xu wrote:
> For perf subsystem, please help review first two patches.

> Like Xu (6):
>   perf/core: Provide a kernel-internal interface to recalibrate event
>     period
>   perf/core: Provide a kernel-internal interface to pause perf_event

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