linux-kernel - Re: (subset) [PATCH 0/2] arch: enable GENERIC_FIND_FIRST

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Message-Id: <161583561181.30130.15256425173316985861.b4-ty@arm.com>
Date:   Mon, 15 Mar 2021 19:14:00 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yury Norov <yury.norov@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Alexey Klimov <aklimov@...hat.com>, linux-arch@...r.kernel.org,
        Will Deacon <will@...nel.org>,
        Alexander Lobakin <alobakin@...me>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: Re: (subset) [PATCH 0/2] arch: enable GENERIC_FIND_FIRST_BIT for MIPS and ARM64

On Thu, 25 Feb 2021 05:56:58 -0800, Yury Norov wrote:
> MIPS and ARM64 don't implement find_first_{zero}_bit in arch code and
> don't enable it in config. It leads to using find_next_bit() which is
> less efficient:
> 
> It's beneficial to enable GENERIC_FIND_FIRST_BIT as this functionality
> is not new at all and well-tested. It provides more optimized code and
> saves .text memory:
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/2] ARM64: enable GENERIC_FIND_FIRST_BIT
      https://git.kernel.org/arm64/c/98c5ec77c7c5

-- 
Catalin