| Message ID | 20220831153757.97381-18-dmitry.osipenko@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Move all drivers to a common dma-buf locking convention | expand |
Am 31.08.22 um 17:37 schrieb Dmitry Osipenko: > Move dma-buf attachment mapping functions to the dynamic locking > specification by asserting that the reservation lock is held. > > Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Reviewed-by: Christian König <christian.koenig@amd.com> > --- > drivers/dma-buf/dma-buf.c | 10 ++-------- > 1 file changed, 2 insertions(+), 8 deletions(-) > > diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c > index 073942bf5ae9..8e928fe6e8df 100644 > --- a/drivers/dma-buf/dma-buf.c > +++ b/drivers/dma-buf/dma-buf.c > @@ -1037,8 +1037,7 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, > if (WARN_ON(!attach || !attach->dmabuf)) > return ERR_PTR(-EINVAL); > > - if (dma_buf_attachment_is_dynamic(attach)) > - dma_resv_assert_held(attach->dmabuf->resv); > + dma_resv_assert_held(attach->dmabuf->resv); > > if (attach->sgt) { > /* > @@ -1053,7 +1052,6 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, > } > > if (dma_buf_is_dynamic(attach->dmabuf)) { > - dma_resv_assert_held(attach->dmabuf->resv); > if (!IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY)) { > r = attach->dmabuf->ops->pin(attach); > if (r) > @@ -1142,15 +1140,11 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *attach, > if (WARN_ON(!attach || !attach->dmabuf || !sg_table)) > return; > > - if (dma_buf_attachment_is_dynamic(attach)) > - dma_resv_assert_held(attach->dmabuf->resv); > + dma_resv_assert_held(attach->dmabuf->resv); > > if (attach->sgt == sg_table) > return; > > - if (dma_buf_is_dynamic(attach->dmabuf)) > - dma_resv_assert_held(attach->dmabuf->resv); > - > __unmap_dma_buf(attach, sg_table, direction); > > if (dma_buf_is_dynamic(attach->dmabuf) &&
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 073942bf5ae9..8e928fe6e8df 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -1037,8 +1037,7 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, if (WARN_ON(!attach || !attach->dmabuf)) return ERR_PTR(-EINVAL); - if (dma_buf_attachment_is_dynamic(attach)) - dma_resv_assert_held(attach->dmabuf->resv); + dma_resv_assert_held(attach->dmabuf->resv); if (attach->sgt) { /* @@ -1053,7 +1052,6 @@ struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, } if (dma_buf_is_dynamic(attach->dmabuf)) { - dma_resv_assert_held(attach->dmabuf->resv); if (!IS_ENABLED(CONFIG_DMABUF_MOVE_NOTIFY)) { r = attach->dmabuf->ops->pin(attach); if (r) @@ -1142,15 +1140,11 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *attach, if (WARN_ON(!attach || !attach->dmabuf || !sg_table)) return; - if (dma_buf_attachment_is_dynamic(attach)) - dma_resv_assert_held(attach->dmabuf->resv); + dma_resv_assert_held(attach->dmabuf->resv); if (attach->sgt == sg_table) return; - if (dma_buf_is_dynamic(attach->dmabuf)) - dma_resv_assert_held(attach->dmabuf->resv); - __unmap_dma_buf(attach, sg_table, direction); if (dma_buf_is_dynamic(attach->dmabuf) &&
Move dma-buf attachment mapping functions to the dynamic locking specification by asserting that the reservation lock is held. Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> --- drivers/dma-buf/dma-buf.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-)