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path: root/drivers/infiniband/core
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Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/umem_dmabuf.c8
-rw-r--r--drivers/infiniband/core/verbs.c7
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c
index 43b26bc12288..39357dc2d229 100644
--- a/drivers/infiniband/core/umem_dmabuf.c
+++ b/drivers/infiniband/core/umem_dmabuf.c
@@ -26,8 +26,8 @@ int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf)
if (umem_dmabuf->sgt)
goto wait_fence;
- sgt = dma_buf_map_attachment_unlocked(umem_dmabuf->attach,
- DMA_BIDIRECTIONAL);
+ sgt = dma_buf_map_attachment(umem_dmabuf->attach,
+ DMA_BIDIRECTIONAL);
if (IS_ERR(sgt))
return PTR_ERR(sgt);
@@ -103,8 +103,8 @@ void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf)
umem_dmabuf->last_sg_trim = 0;
}
- dma_buf_unmap_attachment_unlocked(umem_dmabuf->attach, umem_dmabuf->sgt,
- DMA_BIDIRECTIONAL);
+ dma_buf_unmap_attachment(umem_dmabuf->attach, umem_dmabuf->sgt,
+ DMA_BIDIRECTIONAL);
umem_dmabuf->sgt = NULL;
}
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 26b021f43ba4..11b1c1603aeb 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -2957,15 +2957,18 @@ EXPORT_SYMBOL(__rdma_block_iter_start);
bool __rdma_block_iter_next(struct ib_block_iter *biter)
{
unsigned int block_offset;
+ unsigned int sg_delta;
if (!biter->__sg_nents || !biter->__sg)
return false;
biter->__dma_addr = sg_dma_address(biter->__sg) + biter->__sg_advance;
block_offset = biter->__dma_addr & (BIT_ULL(biter->__pg_bit) - 1);
- biter->__sg_advance += BIT_ULL(biter->__pg_bit) - block_offset;
+ sg_delta = BIT_ULL(biter->__pg_bit) - block_offset;
- if (biter->__sg_advance >= sg_dma_len(biter->__sg)) {
+ if (sg_dma_len(biter->__sg) - biter->__sg_advance > sg_delta) {
+ biter->__sg_advance += sg_delta;
+ } else {
biter->__sg_advance = 0;
biter->__sg = sg_next(biter->__sg);
biter->__sg_nents--;