From: Daniel Vetter <daniel@ffwll.ch>
To: Emil Velikov <emil.l.velikov@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 0/3] drm: tweak permission handling
Date: Wed, 19 Dec 2018 21:30:46 +0100 [thread overview]
Message-ID: <20181219203046.GV21184@phenom.ffwll.local> (raw)
In-Reply-To: <20181219192247.29880-1-emil.l.velikov@gmail.com>
On Wed, Dec 19, 2018 at 07:22:44PM +0000, Emil Velikov wrote:
> Hi all,
>
> This series relaxes some permission handling we have in core.
>
> The first patch, swaps the DRM_ROOT_ONLY to DRM_MASTER on DROP_MASTER
> ioctls. Thus any application can drop privileges just after SET_MASTER
> and not worry about elevating them, solely for DROP_MASTER.
>
> The last commit, admittedly works around userspace bugs. Although it's
> far better than the "run as root" approach that people have been using.
>
> It has the extra side effect of allowing some userspace (but not all)
> to use vgem without any modifications ;-)
>
> Would be great if this series is checked through the Intel GFX trybot
> but I'm not sure how to do that.
Just cc intel-gfx@lists.freedesktop.org.
-Daniel
>
> Any comments, review or general ack's are appreciated.
>
> Thanks
> Emil
>
> Emil Velikov (3):
> drm: change DROP_MASTER permissions to allow DRM_MASTER
> drm: annotate drm_core_check_feature() dev arg. as const
> drm: allow render capable master with DRM_AUTH ioctls
>
> drivers/gpu/drm/drm_ioctl.c | 10 +++++++---
> include/drm/drm_drv.h | 2 +-
> 2 files changed, 8 insertions(+), 4 deletions(-)
>
> --
> 2.19.2
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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next prev parent reply other threads:[~2018-12-19 20:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-19 19:22 [PATCH 0/3] drm: tweak permission handling Emil Velikov
2018-12-19 19:22 ` [PATCH 1/3] drm: change DROP_MASTER permissions to allow DRM_MASTER Emil Velikov
2018-12-19 20:36 ` Daniel Vetter
2018-12-20 13:50 ` Emil Velikov
2018-12-20 14:45 ` Daniel Vetter
2018-12-20 19:09 ` Emil Velikov
2018-12-19 19:22 ` [PATCH 2/3] drm: annotate drm_core_check_feature() dev arg. as const Emil Velikov
2018-12-19 20:35 ` Daniel Vetter
2018-12-19 19:22 ` [PATCH 3/3] drm: allow render capable master with DRM_AUTH ioctls Emil Velikov
2018-12-19 20:34 ` Daniel Vetter
2018-12-20 15:16 ` Emil Velikov
2018-12-20 15:34 ` Daniel Vetter
2018-12-19 20:30 ` Daniel Vetter [this message]
2018-12-19 20:37 ` [PATCH 0/3] drm: tweak permission handling Daniel Vetter
2018-12-20 12:56 ` Emil Velikov
2018-12-20 14:43 ` Daniel Vetter
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