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Date:   Sun, 23 Jan 2022 22:00:04 +0000
From:   Wei Liu <wei.liu@kernel.org>
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>,
        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,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
        linux-hyperv@vger.kernel.org
Subject: Re: [PATCH 43/54] drivers/hv: replace cpumask_weight with
 cpumask_weight_eq
Message-ID: <20220123220004.qtwdl5oqufiy4elj@liuwe-devbox-debian-v2>
References: <20220123183925.1052919-1-yury.norov@gmail.com>
 <20220123183925.1052919-44-yury.norov@gmail.com>
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On Sun, Jan 23, 2022 at 10:39:14AM -0800, Yury Norov wrote:
> init_vp_index() calls cpumask_weight() to compare the weights of cpumasks
> We can do it more efficiently with cpumask_weight_eq because conditional
> cpumask_weight may stop traversing the cpumask earlier (at least one), as
> soon as condition is met.
> 
> Signed-off-by: Yury Norov <yury.norov@gmail.com>

Acked-by: Wei Liu <wei.liu@kernel.org>