linux-kernel - Re: [PATCH v2] kbuild: treat char as always unsigned

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Message-ID: <20221020202454.GV25951@gate.crashing.org>
Date:   Thu, 20 Oct 2022 15:24:54 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-toolchains@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v2] kbuild: treat char as always unsigned

On Wed, Oct 19, 2022 at 04:56:03PM -0700, Linus Torvalds wrote:
> I think the architectures with an unsigned 'char' are arm, powerpc and
> s390, in all their variations (ie both 32- and 64-bit).

xtensa and most MIPS configurations as well, fwiw.


Segher