dma-buf: Add unlocked variant of vmapping functions

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Add unlocked variant of dma_buf_vmap/vunmap() that will be utilized
by drivers that don't take the reservation lock explicitly.

Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-2-dmitry.osipenko@collabora.com

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Dmitry Osipenko 2022-10-17 20:22:09 +03:00

parent f8ced2abe6

commit 56e5abba8c

2 changed files with 45 additions and 0 deletions

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43

drivers/dma-buf/dma-buf.c

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2

include/linux/dma-buf.h

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