linux-kernel - Re: [PATCH 0/8] all: use find_next_*_bit() instead of find_first_*

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Message-ID: <YNtHy/CpPZhaTQEE@smile.fi.intel.com>
Date:   Tue, 29 Jun 2021 19:18:19 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Yury Norov <yury.norov@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Brian Cain <bcain@...eaurora.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Rich Felker <dalias@...c.org>,
        David Hildenbrand <david@...hat.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Lobakin <alobakin@...me>,
        Samuel Mendoza-Jonas <sam@...dozajonas.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Alexey Klimov <aklimov@...hat.com>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH 0/8] all: use find_next_*_bit() instead of
 find_first_*_bit() where possible

On Mon, Jun 28, 2021 at 06:48:20PM -0700, Yury Norov wrote:
> On Sat, Jun 12, 2021 at 05:36:31AM -0700, Yury Norov wrote:
> > find_first_*_bit() is simpler and faster than 'next' version [1], and they
> > work identically if start == 0. But in many cases kernel code uses the
> > 'next' version where 'first' can be used. This series addresses this issue.
> > 
> > Patches 1-3 move find.h under include/linux as it simplifies development.
> > Patches 4-8 switch the kernel and tools to find_first_*_bit() implementation
> > where appropriate. 
> 
> Guys, do we have any blocker for this series? If not, I'd like to have it
> merged in this window.
> 
> And this too: https://lore.kernel.org/lkml/YNirnaYw1GSxg1jK@yury-ThinkPad/T/

"This window" now equals for v5.15-rc1, hence we have a few weeks time anyway.

-- 
With Best Regards,
Andy Shevchenko