Date:   Sun, 28 Nov 2021 05:47:43 +0100
From:   =?iso-8859-2?B?TWljaGGzoE1pcm9zs2F3?= <mirq-linux@rere.qmqm.pl>
To:     Yury Norov <yury.norov@gmail.com>
Cc:     linux-kernel@vger.kernel.org,
        bcm-kernel-feedback-list@broadcom.com, kvm@vger.kernel.org,
        linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-crypto@vger.kernel.org, linux-csky@vger.kernel.org,
        linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org,
        linux-mm@kvack.org, linux-perf-users@vger.kernel.org,
        linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
        linux-snps-arc@lists.infradead.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 3/9] all: replace bitmap_weigth() with
 bitmap_{empty,full,eq,gt,le}
Message-ID: <YaMJ7x8viyKyYk6w@qmqm.qmqm.pl>
References: <20211128035704.270739-1-yury.norov@gmail.com>
 <20211128035704.270739-4-yury.norov@gmail.com>
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On Sat, Nov 27, 2021 at 07:56:58PM -0800, Yury Norov wrote:
> bitmap_weight() counts all set bits in the bitmap unconditionally.
> However in some cases we can traverse a part of bitmap when we
> only need to check if number of set bits is greater, less or equal
> to some number.
> 
> This patch replaces bitmap_weight() with one of
> bitmap_{empty,full,eq,gt,le), as appropriate.
> 
> In some places driver code has been optimized further, where it's
> trivial.
[...]

I think this patch needs to be split. bitmap_full/empty() conversions
can be separated (don't need the bitmap_weight_*() functions) and
not all changes are trivial. Besides, gathering and checking all the
acks needed into one patch seems problematic.

Best Regards,
Micha??Miros?aw