linux-kernel - Re: [PATCH 1/3] perf/core: Provide a kernel-internal interface to recalibrate event period

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Message-ID: <6439df1c-df4a-9820-edb2-0ff41b581d37@redhat.com>
Date:   Mon, 7 Oct 2019 14:01:53 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Like Xu <like.xu@...ux.intel.com>, kvm@...r.kernel.org,
        rkrcmar@...hat.com, sean.j.christopherson@...el.com,
        vkuznets@...hat.com, peterz@...radead.org,
        Jim Mattson <jmattson@...gle.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        ak@...ux.intel.com, wei.w.wang@...el.com, kan.liang@...el.com,
        like.xu@...el.com, ehankland@...gle.com, arbel.moshe@...cle.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] perf/core: Provide a kernel-internal interface to
 recalibrate event period

On 30/09/19 09:22, Like Xu wrote:
> -static int perf_event_period(struct perf_event *event, u64 __user *arg)
> +static int _perf_event_period(struct perf_event *event, u64 value)

__perf_event_period or perf_event_period_locked would be more consistent
with other code in Linux.

Paolo