linux-kernel - Re: [PATCH 02/13] drm: remove drm_fb_helper

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Message-ID: <20210203104949.GA9909@lst.de>
Date:   Wed, 3 Feb 2021 11:49:49 +0100
From:   Christoph Hellwig <hch@....de>
To:     Christoph Hellwig <hch@....de>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>, Jessica Yu <jeyu@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Miroslav Benes <mbenes@...e.cz>,
        Petr Mladek <pmladek@...e.com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        dri-devel@...ts.freedesktop.org, live-patching@...r.kernel.org,
        linux-kbuild@...r.kernel.org
Subject: Re: [PATCH 02/13] drm: remove drm_fb_helper_modinit

On Wed, Feb 03, 2021 at 11:34:50AM +0100, Daniel Vetter wrote:
> On Thu, Jan 28, 2021 at 07:14:10PM +0100, Christoph Hellwig wrote:
> > drm_fb_helper_modinit has a lot of boilerplate for what is not very
> > simple functionality.  Just open code it in the only caller using
> > IS_ENABLED and IS_MODULE, and skip the find_module check as a
> > request_module is harmless if the module is already loaded (and not
> > other caller has this find_module check either).
> > 
> > Signed-off-by: Christoph Hellwig <hch@....de>
> 
> Hm I thought I've acked this one already somewhere for merging through
> your tree.
> 
> Acked-by: Daniel Vetter <daniel.vetter@...ll.ch>

The difference is that this new version loses the find_module entirely,
while the previous one replaced it with the module_loaded helper that
didn't make it to the second version of the series.