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From: Daniel Vetter <daniel@ffwll.ch>
To: Kees Cook <keescook@chromium.org>
Cc: "Arnd Bergmann" <arnd@kernel.org>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Airlie" <airlied@linux.ie>,
	"Daniel Vetter" <daniel@ffwll.ch>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [RESEND] drm: fb_helper: fix CONFIG_FB dependency
Date: Thu, 30 Sep 2021 16:26:52 +0200	[thread overview]
Message-ID: <YVXJLE8UqgcUNIKl@phenom.ffwll.local> (raw)
In-Reply-To: <202109270923.97AFDE89DB@keescook>

On Mon, Sep 27, 2021 at 09:23:45AM -0700, Kees Cook wrote:
> On Mon, Sep 27, 2021 at 04:28:02PM +0200, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@arndb.de>
> > 
> > With CONFIG_FB=m and CONFIG_DRM=y, we get a link error in the fb helper:
> > 
> > aarch64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi':
> > (.text+0x10cc): undefined reference to `framebuffer_alloc'
> > 
> > Tighten the dependency so it is only allowed in the case that DRM can
> > link against FB.
> > 
> > Fixes: f611b1e7624c ("drm: Avoid circular dependencies for CONFIG_FB")
> > Link: https://lore.kernel.org/all/20210721152211.2706171-1-arnd@kernel.org/
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> 
> Thanks for fixing this!
> 
> Reviewed-by: Kees Cook <keescook@chromium.org>

Stuffed into drm-misc-next.

Arnd, I guess I still can't volunteer you for commit rights so I don't
have to bother with this anymore? It's nice to be lazy and comfy :-)

Cheers, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

  reply	other threads:[~2021-09-30 14:26 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 14:28 [PATCH] [RESEND] drm: fb_helper: fix CONFIG_FB dependency Arnd Bergmann
2021-09-27 16:23 ` Kees Cook
2021-09-30 14:26   ` Daniel Vetter [this message]
2021-10-27 11:47     ` Jani Nikula
2021-10-27 12:13       ` Jani Nikula
2021-10-27 12:18       ` Arnd Bergmann
2021-10-27 12:38         ` Javier Martinez Canillas
2021-10-27 12:52           ` Arnd Bergmann
2021-10-27 12:56             ` Javier Martinez Canillas
2021-10-27 13:06             ` Jani Nikula
2021-10-27 13:25               ` Arnd Bergmann
2021-10-27 13:36                 ` Javier Martinez Canillas
2021-10-27 12:55           ` Jani Nikula
2021-10-27 13:18             ` Javier Martinez Canillas
2021-10-27 13:05         ` Jani Nikula
2021-10-27 13:19         ` Javier Martinez Canillas
2021-10-28 15:24           ` Daniel Vetter
2021-10-29 12:06             ` Arnd Bergmann

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