[PATCH v3] app/dma-perf: fix physical address seg-fault

[lihuisong (C)]

在 2023/10/19 12:19, Vipin Varghese 写道:
> do_cpu_mem_copy uses DPDK API rte_mbuf_data_iova to return
> the start of the virtual address for both src and dst.
> But in case of iova mode set as PA, this results in seg-fault.
> This is because rte_memcpy uses VA address and not PA.
>
> This fix invokes `rte_pktmbuf_mtod` for both src and dst.
>
> Bugzilla ID: 1269
> Fixes: 623dc9364dc6 ("app/dma-perf: introduce DMA performance test")
> Cc: cheng1.jiang at intel.com
>
> Cc: stable at dpdk.org
>
> Signed-off-by: Vipin Varghese <vipin.varghese at amd.com>
> Suggested-by: Anoob Joseph <anoobj at marvell.com>
> Suggested-by: Jerin Jacob <jerinj at marvell.com>
>
Acked-by: Huisong Li <lihuisong at huawei.com>