linux-kernel - Re: [PATCH 40/49] firmware: pcsi: replace cpumask_weight with cpumask_weight

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Message-ID: <20220211094527.kmcnvz7iyiwkxtbc@bogus>
Date:   Fri, 11 Feb 2022 09:45:27 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Yury Norov <yury.norov@...il.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        David Laight <David.Laight@...lab.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Joe Perches <joe@...ches.com>, Dennis Zhou <dennis@...nel.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Nicholas Piggin <npiggin@...il.com>,
        Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Alexey Klimov <aklimov@...hat.com>,
        linux-kernel@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 40/49] firmware: pcsi: replace cpumask_weight with
 cpumask_weight_eq

On Thu, Feb 10, 2022 at 02:49:24PM -0800, Yury Norov wrote:
> down_and_up_cpus() calls cpumask_weight() to compare the weight of
> cpumask with a given number. We can do it more efficiently with
> cpumask_weight_{eq, ...} because conditional cpumask_weight may stop
> traversing the cpumask earlier, as soon as condition is (or can't be) met.
>

Nit: s/pcsi/psci/ in $subject. With that fixed,

Reviewed-by: Sudeep Holla <sudeep.holla@....com>

-- 
Regards,
Sudeep