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Date:   Mon, 24 Jan 2022 10:41:13 +0000
From:   Sudeep Holla <sudeep.holla@arm.com>
To:     Yury Norov <yury.norov@gmail.com>
Cc:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Andrew Morton <akpm@linux-foundation.org>,
        =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= <mirq-linux@rere.qmqm.pl>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        David Laight <David.Laight@aculab.com>,
        Joe Perches <joe@perches.com>, Dennis Zhou <dennis@kernel.org>,
        Emil Renner Berthing <kernel@esmil.dk>,
        Nicholas Piggin <npiggin@gmail.com>,
        Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
        Alexey Klimov <aklimov@redhat.com>,
        linux-kernel@vger.kernel.org, Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Cristian Marussi <cristian.marussi@arm.com>,
        linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 16/54] cpufreq: replace cpumask_weight with cpumask_empty
 where appropriate
Message-ID: <20220124104113.ccbcyipd5gtweulz@bogus>
References: <20220123183925.1052919-1-yury.norov@gmail.com>
 <20220123183925.1052919-17-yury.norov@gmail.com>
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On Sun, Jan 23, 2022 at 10:38:47AM -0800, Yury Norov wrote:
> drivers/cpufreq calls cpumask_weight() to check if any bit of a given
> cpumask is set. We can do it more efficiently with cpumask_empty() because
> cpumask_empty() stops traversing the cpumask as soon as it finds first set
> bit, while cpumask_weight() counts all bits unconditionally.
>

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> (for SCMI cpufreq driver)

-- 
Regards,
Sudeep