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Commit 9dc454eb authored by Gurchetan Singh's avatar Gurchetan Singh Committed by popcornmix
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udmabuf: implement begin_cpu_access/end_cpu_access hooks



Commit 284562e1 upstream.

With the misc device, we should end up using the result of
get_arch_dma_ops(..) or dma-direct ops.

This can allow us to have WC mappings in the guest after
synchronization.

Signed-off-by: default avatarGurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20191203013627.85991-4-gurchetansingh@chromium.org


Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 118802c7
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