linux-kernel - Re: [PATCH] ext4: improve str2hashbuf by processing 4-byte chunks

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Message-ID: <CAMuHMdWc-y_Ar4KzZE=HcNXvcO389ooinCL+6srLUtZfJT0OEw@mail.gmail.com>
Date: Fri, 21 Nov 2025 11:07:31 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Theodore Tso <tytso@....edu>
Cc: David Laight <david.laight.linux@...il.com>, Guan-Chun Wu <409411716@....tku.edu.tw>, 
	Andreas Dilger <adilger.kernel@...ger.ca>, linux-ext4@...r.kernel.org, 
	linux-kernel@...r.kernel.org, visitorckw@...il.com
Subject: Re: [PATCH] ext4: improve str2hashbuf by processing 4-byte chunks

On Thu, 20 Nov 2025 at 17:11, Theodore Tso <tytso@....edu> wrote:
> "char" is not always signed.  It can be signed or unsigned; the C
> specification allows either.  In this particular case, scp is a
> "signed char", not "char".

This is Linux, so commit 3bc753c06dd02a35 ("kbuild: treat char as
always unsigned") in v6.2 and later applies to plain "char".

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds