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Jiakun Shuai 8cbb260f55 anolis: phytium: pswiotlb: Add PSWIOTLB mechanism to improve DMA performance 
ANBZ: #21762

This patch added additional "memory copy" to improve D2H direction
DMA performance on Phytium Server SoCs.

Signed-off-by: Cui Chao <cuichao1753@phytium.com.cn>
Signed-off-by: Jiakun Shuai <shuaijiakun1288@phytium.com.cn>
Reviewed-by: Jay chen <jkchen@linux.alibaba.com>
Link: https://gitee.com/anolis/cloud-kernel/pulls/5432
 2025-06-16 07:11:40 +00:00