linux-kernel - Re: [PATCH v3] auxdisplay: Remove in

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Message-ID: <CANiq72mkkSfbnNM_mmXE-TNKO1orsAeyByMKFy1N6hm+EBA40A@mail.gmail.com>
Date:   Tue, 16 Feb 2021 10:32:15 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Willy Tarreau <w@....eu>
Subject: Re: [PATCH v3] auxdisplay: Remove in_interrupt() usage.

Hi Sebastian,

On Sat, Feb 13, 2021 at 5:50 PM Sebastian Andrzej Siewior
<bigeasy@...utronix.de> wrote:
>
> charlcd_write() is invoked as a VFS->write() callback and as such it is
> always invoked from preemptible context and may sleep.

Can we put this sentence as a comment in the code, right before the
call to cond_resched()?

> charlcd_puts() is invoked from register/unregister callback which is
> preemtible. The reboot notifier callback is also invoked from

Same for this one.

In addition, somehow the spelling fixes got lost from the previous version.

Same for the "code quotes": some have no quotes, others have `` or `'.
No big deal, I can fix it on my side if needed, but just letting you
know! :-)

Thanks!

Cheers,
Miguel