From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: DRI Development <dri-devel@lists.freedesktop.org>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Jens Frederich <jfrederich@gmail.com>,
Jon Nettleton <jon.nettleton@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-staging@lists.linux.dev,
Daniel Vetter <daniel.vetter@intel.com>,
Daniel Vetter <daniel@ffwll.ch>, Helge Deller <deller@gmx.de>,
Matthew Wilcox <willy@infradead.org>,
Sam Ravnborg <sam@ravnborg.org>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Zhen Lei <thunder.leizhen@huawei.com>,
Alex Deucher <alexander.deucher@amd.com>,
Xiyu Yang <xiyuyang19@fudan.edu.cn>,
Zheyu Ma <zheyuma97@gmail.com>,
Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH 21/21] fbdev: Make registered_fb[] private to fbmem.c
Date: Fri, 4 Feb 2022 09:30:56 +0100 [thread overview]
Message-ID: <CAMuHMdUm76tT6u+i=A50ffh=k8hX5kgoMqH=t_wfHqH95nVOPA@mail.gmail.com> (raw)
In-Reply-To: <20220131210552.482606-22-daniel.vetter@ffwll.ch>
Hi Daniel,
Thanks for your patch!
On Tue, Feb 1, 2022 at 9:50 PM Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> Well except when the olpc dcon fbdev driver is enabled, that thing
> digs around in there in rather unfixable ways.
Can't the actual frame buffer driver (which one?) used on olpc export
a pointer to its fb_info?
> --- a/drivers/video/fbdev/core/fbmem.c
> +++ b/drivers/video/fbdev/core/fbmem.c
> @@ -48,10 +48,14 @@
> static DEFINE_MUTEX(registration_lock);
>
> struct fb_info *registered_fb[FB_MAX] __read_mostly;
> -EXPORT_SYMBOL(registered_fb);
> -
> int num_registered_fb __read_mostly;
> +#if IS_ENABLED(CONFIG_OLPC_DCON)
CONFIG_FB_OLPC_DCON (everywhere), cfr. the build failure reported
by the robot.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2022-02-04 8:31 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-31 21:05 [PATCH 00/21] some fbcon patches, mostly locking Daniel Vetter
2022-01-31 21:05 ` [PATCH 01/21] MAINTAINERS: Add entry for fbdev core Daniel Vetter
2022-02-01 10:19 ` Thomas Zimmermann
2022-02-01 10:45 ` Greg Kroah-Hartman
2022-02-01 10:32 ` Helge Deller
2022-02-01 14:01 ` Javier Martinez Canillas
2022-02-01 14:47 ` Jani Nikula
2022-02-01 14:54 ` Geert Uytterhoeven
2022-02-01 20:47 ` Dave Airlie
2022-02-02 11:10 ` Daniel Stone
2022-02-02 11:18 ` Tomi Valkeinen
2022-02-02 11:31 ` Maxime Ripard
2022-02-02 13:48 ` Alex Deucher
2022-02-03 20:25 ` Sam Ravnborg
2022-02-08 14:12 ` Daniel Vetter
2022-01-31 21:05 ` [PATCH 02/21] fbcon: Resurrect fbcon accelerated scrolling code Daniel Vetter
2022-01-31 21:05 ` [PATCH 03/21] fbcon: Restore fbcon scrolling acceleration Daniel Vetter
2022-02-01 10:16 ` Helge Deller
2022-02-01 10:17 ` Helge Deller
2022-02-01 10:36 ` Daniel Vetter
2022-02-01 11:01 ` Helge Deller
2022-02-01 13:45 ` Daniel Vetter
2022-02-01 14:52 ` Helge Deller
2022-02-01 16:30 ` Daniel Vetter
2022-01-31 21:05 ` [PATCH 04/21] fbcon: delete a few unneeded forward decl Daniel Vetter
2022-02-03 20:30 ` Sam Ravnborg
2022-02-04 10:00 ` Geert Uytterhoeven
2022-01-31 21:05 ` [PATCH 05/21] fbcon: Introduce wrapper for console->fb_info lookup Daniel Vetter
2022-02-03 21:25 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 06/21] fbcon: delete delayed loading code Daniel Vetter
2022-02-03 20:45 ` Sam Ravnborg
2022-02-08 13:42 ` Daniel Vetter
2022-02-08 18:09 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 07/21] fbdev/sysfs: Fix locking Daniel Vetter
2022-02-03 21:27 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 08/21] fbcon: Use delayed work for cursor Daniel Vetter
2022-01-31 21:05 ` [PATCH 09/21] fbcon: Replace FBCON_FLAGS_INIT with a boolean Daniel Vetter
2022-02-01 10:37 ` Thomas Zimmermann
2022-02-03 13:47 ` Geert Uytterhoeven
2022-02-03 21:30 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 10/21] fb: Delete fb_info->queue Daniel Vetter
2022-02-03 21:31 ` Sam Ravnborg
2022-02-08 13:46 ` Daniel Vetter
2022-02-08 18:22 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 11/21] fbcon: Extract fbcon_open/release helpers Daniel Vetter
2022-02-03 21:15 ` Sam Ravnborg
2022-02-03 21:32 ` Sam Ravnborg
2022-02-08 13:48 ` Daniel Vetter
2022-02-08 18:24 ` Sam Ravnborg
2022-02-08 19:51 ` [Intel-gfx] " Daniel Vetter
2022-01-31 21:05 ` [PATCH 12/21] fbcon: Ditch error handling for con2fb_release_oldinfo Daniel Vetter
2022-02-03 21:16 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 13/21] fbcon: move more common code into fb_open() Daniel Vetter
2022-01-31 23:31 ` [Intel-gfx] " kernel test robot
2022-02-04 19:35 ` Sam Ravnborg
2022-02-08 13:53 ` Daniel Vetter
2022-02-08 18:25 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 14/21] fbcon: use lock_fb_info in fbcon_open/release Daniel Vetter
2022-02-04 19:39 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 15/21] fbcon: Consistently protect deferred_takeover with console_lock() Daniel Vetter
2022-02-04 19:45 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 16/21] fbcon: Move console_lock for register/unlink/unregister Daniel Vetter
2022-02-04 19:54 ` Sam Ravnborg
2022-02-08 13:56 ` Daniel Vetter
2022-01-31 21:05 ` [PATCH 17/21] fbcon: Move more code into fbcon_release Daniel Vetter
2022-02-04 19:55 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 18/21] fbcon: untangle fbcon_exit Daniel Vetter
2022-02-04 20:06 ` Sam Ravnborg
2022-02-08 13:58 ` Daniel Vetter
2022-02-08 18:27 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 19/21] fbcon: Maintain a private array of fb_info Daniel Vetter
2022-02-04 20:15 ` Sam Ravnborg
2022-02-08 14:03 ` Daniel Vetter
2022-02-08 18:55 ` Sam Ravnborg
2022-01-31 21:05 ` [PATCH 20/21] Revert "fbdev: Prevent probing generic drivers if a FB is already registered" Daniel Vetter
2022-01-31 21:05 ` [PATCH 21/21] fbdev: Make registered_fb[] private to fbmem.c Daniel Vetter
2022-02-01 8:13 ` [Intel-gfx] " kernel test robot
2022-02-04 8:30 ` Geert Uytterhoeven [this message]
2022-02-08 14:04 ` Daniel Vetter
2022-02-08 20:59 ` Daniel Vetter
2022-02-08 19:00 ` Sam Ravnborg
2022-02-08 20:56 ` Daniel Vetter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAMuHMdUm76tT6u+i=A50ffh=k8hX5kgoMqH=t_wfHqH95nVOPA@mail.gmail.com' \
--to=geert@linux-m68k.org \
--cc=alexander.deucher@amd.com \
--cc=daniel.vetter@ffwll.ch \
--cc=daniel.vetter@intel.com \
--cc=daniel@ffwll.ch \
--cc=deller@gmx.de \
--cc=dri-devel@lists.freedesktop.org \
--cc=gregkh@linuxfoundation.org \
--cc=intel-gfx@lists.freedesktop.org \
--cc=jfrederich@gmail.com \
--cc=jon.nettleton@gmail.com \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-staging@lists.linux.dev \
--cc=linux@roeck-us.net \
--cc=penguin-kernel@i-love.sakura.ne.jp \
--cc=sam@ravnborg.org \
--cc=thunder.leizhen@huawei.com \
--cc=willy@infradead.org \
--cc=xiyuyang19@fudan.edu.cn \
--cc=zheyuma97@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).