linux-kernel - Re: [PATCH v8 0/2] DRM GEM fixes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 22 Jul 2022 14:49:43 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     David Airlie <airlied@...ux.ie>, Gerd Hoffmann <kraxel@...hat.com>,
        Gurchetan Singh <gurchetansingh@...omium.org>,
        Chia-I Wu <olvaffe@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Emil Velikov <emil.l.velikov@...il.com>,
        Christian König <christian.koenig@....com>,
        Thomas Hellström <thomas_os@...pmail.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Dmitry Osipenko <digetx@...il.com>,
        linux-tegra@...r.kernel.org, kernel@...labora.com,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v8 0/2] DRM GEM fixes

Hi,

On 7/1/22 12:02, Dmitry Osipenko wrote:
> This patchset fixes two problems in the common GEM code. First fixed problem
> is the bogus lockdep splat that complicates debugging of DRM drivers. Second
> problem is the inconsistency in behaviour and improper handling of mapping
> the imported GEMs by some drivers, to fix it we will prohibit to map the
> imported GEMs like majority of drivers already do.
> 
> Changelog:
> 
> v8: - Dropped stable tag from the "Don't map imported GEMs" patch,
>       like was suggested by Thomas Hellström in the review comment to v7.
> 
> v7: - Factored out GEM patches from [1] since I'll be working on the
>       dma-buf locking in a separate patchset now.
> 
> [1] https://lore.kernel.org/all/20220526235040.678984-1-dmitry.osipenko@collabora.com/
> 
>     - Improved commit message and added fixes tag to the "Properly annotate
>       WW context" patch.
> 
>     - Replaced "Move mapping of imported dma-bufs to drm_gem_mmap_obj()"
>       patch with "Don't map imported GEMs", like was suggested by
>       Thomas Hellström.
> 
>     - Added r-b and suggested-by from Thomas Hellström.
> 
> Dmitry Osipenko (2):
>   drm/gem: Properly annotate WW context on drm_gem_lock_reservations()
>     error
>   drm/gem: Don't map imported GEMs
> 
>  drivers/gpu/drm/drm_gem.c              | 8 ++++++--
>  drivers/gpu/drm/drm_gem_shmem_helper.c | 9 ---------
>  2 files changed, 6 insertions(+), 11 deletions(-)
> 

Could anyone please take this into drm-misc-next? Maybe Thomas?

Thanks in advance

-- 
Best regards,
Dmitry