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| author | Honggang LI <honggangli@163.com> | 2024-05-16 17:50:52 +0800 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-05-30 16:20:18 +0300 |
| commit | 03fa18a992d5626fd7bf3557a52e826bf8b326b3 (patch) | |
| tree | ce5b431e5c933c9d3f5b4aef3e014ff5fffb074e /drivers/infiniband/sw/rxe | |
| parent | 056620da899527c14cf36e5019a0decaf4cf0f79 (diff) | |
| download | linux-03fa18a992d5626fd7bf3557a52e826bf8b326b3.tar.gz linux-03fa18a992d5626fd7bf3557a52e826bf8b326b3.tar.bz2 linux-03fa18a992d5626fd7bf3557a52e826bf8b326b3.zip | |
RDMA/rxe: Fix data copy for IB_SEND_INLINE
For RDMA Send and Write with IB_SEND_INLINE, the memory buffers
specified in sge list will be placed inline in the Send Request.
The data should be copied by CPU from the virtual addresses of
corresponding sge list DMA addresses.
Cc: stable@kernel.org
Fixes: 8d7c7c0eeb74 ("RDMA: Add ib_virt_dma_to_page()")
Signed-off-by: Honggang LI <honggangli@163.com>
Link: https://lore.kernel.org/r/20240516095052.542767-1-honggangli@163.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/sw/rxe')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index c7d4d8ab5a09..de6238ee4379 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -812,7 +812,7 @@ static void copy_inline_data_to_wqe(struct rxe_send_wqe *wqe, int i; for (i = 0; i < ibwr->num_sge; i++, sge++) { - memcpy(p, ib_virt_dma_to_page(sge->addr), sge->length); + memcpy(p, ib_virt_dma_to_ptr(sge->addr), sge->length); p += sge->length; } } |