diff options
| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-17 20:22:29 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-18 01:21:55 +0300 |
| commit | 28743e25fa1c867675bd8ff976eb92d4251f13a1 (patch) | |
| tree | 776a8c8c08efc9e22735728a95897666fa81a68a /include/linux/dma-buf.h | |
| parent | 23543b3c4f7fe4ee03d624d0584ec8429d4e7a15 (diff) | |
dma-buf: Remove obsoleted internal lock
The internal dma-buf lock isn't needed anymore because the updated
locking specification claims that dma-buf reservation must be locked
by importers, and thus, the internal data is already protected by the
reservation lock. Remove the obsoleted internal lock.
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-22-dmitry.osipenko@collabora.com
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index f11b5bbc2f37..6fa8d4e29719 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -327,15 +327,6 @@ struct dma_buf { const struct dma_buf_ops *ops; /** - * @lock: - * - * Used internally to serialize list manipulation, attach/detach and - * vmap/unmap. Note that in many cases this is superseeded by - * dma_resv_lock() on @resv. - */ - struct mutex lock; - - /** * @vmapping_counter: * * Used internally to refcnt the vmaps returned by dma_buf_vmap(). |