linux-kernel - Re: [PATCH v1 0/6] Move dma_buf_mmap_internal() to dynamic locking specification

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Date:   Fri, 11 Nov 2022 23:59:47 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Liam Mark <lmark@...eaurora.org>,
        Brian Starkey <Brian.Starkey@....com>,
        John Stultz <jstultz@...gle.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Tomi Valkeinen <tomba@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Tomasz Figa <tfiga@...omium.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Amol Maheshwari <amahesh@....qualcomm.com>
Cc:     linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
        linux-tegra@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCH v1 0/6] Move dma_buf_mmap_internal() to dynamic locking
 specification

On 11/10/22 23:13, Dmitry Osipenko wrote:
> Hello,
> 
> Recently, dma-buf got a common locking convention for importers and
> exporters. All the dma-buf functions were moved to the new locking
> convention, apart from the dma_buf_mmap_internal() that was missed out
> by accident. This series moves dma_buf_mmap_internal() to the dynamic
> locking specification and updates drivers that support mmaping of
> dma-bufs to use the debug-assert of the lock.
> 
> Thanks to Daniel Vetter for spotting the missed function!
> 
> Dmitry Osipenko (6):
>   dma-buf: Move dma_buf_mmap_internal() to dynamic locking specification
>   drm: Assert held reservation lock for dma-buf mmapping
>   udmabuf: Assert held reservation lock for dma-buf mmapping
>   dma-buf/heaps: Assert held reservation lock for dma-buf mmapping
>   media: videobuf2: Assert held reservation lock for dma-buf mmapping
>   fastrpc: Assert held reservation lock for dma-buf mmapping
> 
>  drivers/dma-buf/dma-buf.c                             | 7 ++++++-
>  drivers/dma-buf/heaps/cma_heap.c                      | 3 +++
>  drivers/dma-buf/heaps/system_heap.c                   | 3 +++
>  drivers/dma-buf/udmabuf.c                             | 3 +++
>  drivers/gpu/drm/drm_prime.c                           | 2 ++
>  drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c            | 2 ++
>  drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c             | 2 ++
>  drivers/gpu/drm/tegra/gem.c                           | 2 ++
>  drivers/media/common/videobuf2/videobuf2-dma-contig.c | 3 +++
>  drivers/media/common/videobuf2/videobuf2-dma-sg.c     | 3 +++
>  drivers/media/common/videobuf2/videobuf2-vmalloc.c    | 3 +++
>  drivers/misc/fastrpc.c                                | 3 +++
>  12 files changed, 35 insertions(+), 1 deletion(-)
> 

Applied to drm-misc-next

-- 
Best regards,
Dmitry