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Date:   Mon, 26 Sep 2022 22:36:29 +0200
From:   Frederic Weisbecker <frederic@kernel.org>
To:     Yipeng Zou <zouyipeng@huawei.com>
Cc:     rcu@vger.kernel.org, paulmck@kernel.org, quic_neeraju@quicinc.com,
        josh@joshtriplett.org, rostedt@goodmis.org,
        mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com,
        joel@joelfernandes.org, rafael.j.wysocki@intel.com,
        peterz@infradead.org
Subject: Re: [PATCH] rcu: remove rcu_is_idle_cpu
Message-ID: <20220926203629.GA183228@lothringen>
References: <20220926015827.227050-1-zouyipeng@huawei.com>
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On Mon, Sep 26, 2022 at 09:58:27AM +0800, Yipeng Zou wrote:
> The commit "x86/cpu: Avoid cpuinfo-induced IPIing of idle CPUs" introduce
> this function to identify the current CPU idle state.
> But after commit "x86/aperfmperf: Replace arch_freq_get_on_cpu()" we
> just use MAX_SAMPLE_AGE to do that, So there is no use of this function.
> 
> Fixes: f3eca381bd49 ("x86/aperfmperf: Replace arch_freq_get_on_cpu()")
> Signed-off-by: Yipeng Zou <zouyipeng@huawei.com>

Reviewed-by: Frederic Weisbecker <frederic@kernel.org>