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Date:   Wed, 12 Jul 2023 16:19:31 +0100
From:   Daniel Thompson <daniel.thompson@linaro.org>
To:     "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc:     gregkh@linuxfoundation.org, linux-serial@vger.kernel.org,
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        Richard Henderson <richard.henderson@linaro.org>,
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        Huacai Chen <chenhuacai@kernel.org>,
        WANG Xuerui <kernel@xen0n.name>,
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        Nicholas Piggin <npiggin@gmail.com>,
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        Zqiang <qiang.zhang1211@gmail.com>
Subject: Re: [PATCH 02/10] tty: sysrq: switch sysrq handlers from int to u8
Message-ID: <20230712151931.GA458038@aspen.lan>
References: <20230712081811.29004-1-jirislaby@kernel.org>
 <20230712081811.29004-3-jirislaby@kernel.org>
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On Wed, Jul 12, 2023 at 10:18:03AM +0200, Jiri Slaby (SUSE) wrote:
> The passed parameter to sysrq handlers is a key (a character). So change
> the type from 'int' to 'u8'. Let it specifically be 'u8' for two
> reasons:
> * unsigned: unsigned values come from the upper layers (devices) and the
>   tty layer assumes unsigned on most places, and
> * 8-bit: as that what's supposed to be one day in all the layers built
>   on the top of tty. (Currently, we use mostly 'unsigned char' and
>   somewhere still only 'char'. (But that also translates to the former
>   thanks to -funsigned-char.))
>
> Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
> <snip>
> Cc: Jason Wessel <jason.wessel@windriver.com>
> Cc: Daniel Thompson <daniel.thompson@linaro.org>
> Cc: Douglas Anderson <dianders@chromium.org>

For kgdb:
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>