From: Gerd Hoffmann <kraxel@redhat.com>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: virtio-dev@lists.oasis-open.org,
dri-devel <dri-devel@lists.freedesktop.org>,
"Michael S . Tsirkin" <mst@redhat.com>,
David Airlie <airlied@linux.ie>, Jason Wang <jasowang@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Tomasz Figa <tfiga@chromium.org>,
"moderated list:DMA BUFFER SHARING FRAMEWORK"
<linaro-mm-sig@lists.linaro.org>,
David Stevens <stevensd@chromium.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
"open list:VIRTIO CORE,
NET..." <virtualization@lists.linux-foundation.org>,
"open list:DMA BUFFER SHARING FRAMEWORK"
<linux-media@vger.kernel.org>
Subject: Re: [PATCH v3 1/4] dma-buf: add support for virtio exported objects
Date: Thu, 14 May 2020 09:59:52 +0200 [thread overview]
Message-ID: <20200514075952.zuc3zjtmasaqrw75@sirius.home.kraxel.org> (raw)
In-Reply-To: <CAKMK7uHFgiHLe9oiFBr-VR-6rU9-hLTpBTEVNh0ezyj54u70jw@mail.gmail.com>
Hi,
> - for the runtime upcasting the usual approach is to check the ->ops
> pointer. Which means that would need to be the same for all virtio
> dma_bufs, which might get a bit awkward. But I'd really prefer we not
> add allocator specific stuff like this to dma-buf.
This is exactly the problem, it gets messy quickly, also when it comes
to using the drm_prime.c helpers ...
take care,
Gerd
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next prev parent reply other threads:[~2020-05-14 8:00 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 11:20 [PATCH v3 0/4] Support virtio cross-device resources David Stevens
2020-03-11 11:20 ` [PATCH v3 1/4] dma-buf: add support for virtio exported objects David Stevens
2020-05-13 15:45 ` Daniel Vetter
2020-05-14 2:08 ` David Stevens
2020-05-14 12:28 ` Daniel Vetter
2020-05-14 7:59 ` Gerd Hoffmann [this message]
2020-05-14 12:31 ` Daniel Vetter
2020-05-14 8:19 ` David Stevens
2020-05-14 12:30 ` Daniel Vetter
2020-05-15 5:07 ` David Stevens
2020-05-15 14:03 ` Daniel Vetter
2020-05-18 11:17 ` Sumit Semwal
2020-03-11 11:20 ` [PATCH v3 2/4] drm/prime: " David Stevens
2020-03-11 11:20 ` [PATCH v3 3/4] virtio-gpu: add VIRTIO_GPU_F_RESOURCE_UUID feature David Stevens
2020-03-11 11:20 ` [PATCH v3 4/4] drm/virtio: Support virtgpu exported resources David Stevens
2020-05-13 16:34 ` Michael S. Tsirkin
2020-05-15 7:26 ` David Stevens
2020-06-08 9:43 ` Michael S. Tsirkin
2020-06-08 10:36 ` David Stevens
2020-06-08 15:17 ` Michael S. Tsirkin
2020-03-20 6:48 ` [PATCH v3 0/4] Support virtio cross-device resources Gerd Hoffmann
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