Message ID | 20221110201349.351294-1-dmitry.osipenko@collabora.com |
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(unknown [109.252.117.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madras.collabora.co.uk (Postfix) with ESMTPSA id 19FBD660035C; Thu, 10 Nov 2022 20:14:47 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1668111289; bh=1CE2XRZ5gwUkawW6nA0IR/hqxUlaRPTZF6KuqbnAdK4=; h=From:To:Cc:Subject:Date:From; b=Pj5kMSE9GqU5pIod/hV/hQiqGrn1Pc82jV7zEoc3SPd49PVIzcSZtKB39PBIrJQfb slEMr55FoMedpN9OLyjLQUhkBaKsaedxt8g861x65hMcOuNc1EZ0tenq9K/+lRFSCv 6+N7I7KZHrq6w8JR7W/PkV/fbamPiDjKTFEBCZ843qXcAqj4Aske+v6OrVaT4WmHEn +O+YE8LCEqryYWmjsWquLHzHT7NNVjQsKTnNxMZ8OH4Zp3fxvBjFGES+SX6W+AtGfj LNmCjLz5cLOmPsp1J1pRKVECoWq3h3DH1kLQLg2LFr/VwQNJ3nRGXV9Tnidn22xWvB Ogmwwq6CY1ZRQ== From: Dmitry Osipenko <dmitry.osipenko@collabora.com> To: Sumit Semwal <sumit.semwal@linaro.org>, =?utf-8?q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>, Benjamin Gaignard <benjamin.gaignard@collabora.com>, Liam Mark <lmark@codeaurora.org>, Brian Starkey <Brian.Starkey@arm.com>, John Stultz <jstultz@google.com>, Gerd Hoffmann <kraxel@redhat.com>, Daniel Vetter <daniel@ffwll.ch>, Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>, Thomas Zimmermann <tzimmermann@suse.de>, Tomi Valkeinen <tomba@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, Tomasz Figa <tfiga@chromium.org>, Marek Szyprowski <m.szyprowski@samsung.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Srinivas Kandagatla <srinivas.kandagatla@linaro.org>, Amol Maheshwari <amahesh@qti.qualcomm.com> Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-arm-msm@vger.kernel.org, kernel@collabora.com Subject: [PATCH v1 0/6] Move dma_buf_mmap_internal() to dynamic locking specification Date: Thu, 10 Nov 2022 23:13:43 +0300 Message-Id: <20221110201349.351294-1-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749141624175502644?= X-GMAIL-MSGID: =?utf-8?q?1749141624175502644?= |
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Move dma_buf_mmap_internal() to dynamic locking specification
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Message
Dmitry Osipenko
Nov. 10, 2022, 8:13 p.m. UTC
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(-)
Comments
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