linux-kernel - Re: [PATCH v5 2/3] fbcon: Call WARN_CONSOLE

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Message-ID: <20180711151911.2ea40200@gandalf.local.home>
Date:   Wed, 11 Jul 2018 15:19:11 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Daniel Vetter <daniel@...ll.ch>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Petr Mladek <pmladek@...e.com>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v5 2/3] fbcon: Call WARN_CONSOLE_UNLOCKED() where
 applicable

On Wed, 11 Jul 2018 19:56:02 +0200
Daniel Vetter <daniel@...ll.ch> wrote:

> > Have you seen Steven's suggestion which he send about the same time
> > as your mail I'm replying to here ? I personally think that doing
> > something like that makes sense (for as long as we have the need
> > for the lockless_fb_register debug hack).
> >
> > Note I've 2 patches ready to go to only fix this in fbcon.c, but I
> > think a more thorough fix makes sense.  
> 
> Yeah Steven's suggestion looks reasonable to fix this all for good.
> The #if 1 predates git history, so no idea why it was added or by whom
> :-)

I just sent the patch. If the printk maintainers take it, then you can
update the fb driver to set the ignore_console_lock_warning when
lockless_fb_register is set.

-- Steve