linux-kernel - Re: [PATCH v5 2/2] tools/dma: move dma_map

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Message-ID: <bf8c45f6-f7f8-49aa-8daf-7428751f463e@samsung.com>
Date: Wed, 29 Oct 2025 09:56:13 +0100
From: Marek Szyprowski <m.szyprowski@...sung.com>
To: Qinxin Xia <xiaqinxin@...wei.com>, 21cnbao@...il.com,
	robin.murphy@....com
Cc: prime.zeng@...wei.com, fanghao11@...wei.com,
	linux-kernel@...r.kernel.org, linuxarm@...wei.com, wangzhou1@...ilicon.com,
	Barry Song <baohua@...nel.org>
Subject: Re: [PATCH v5 2/2] tools/dma: move dma_map_benchmark from selftests
 to tools/dma

On 28.10.2025 13:09, Qinxin Xia wrote:
> dma_map_benchmark is a standalone developer tool rather than an
> automated selftest. It has no pass/fail criteria, expects manual
> invocation, and is built as a normal userspace binary. Move it to
> tools/dma/ and add a minimal Makefile.
>
> Suggested-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Suggested-by: Barry Song <baohua@...nel.org>
> Signed-off-by: Qinxin Xia <xiaqinxin@...wei.com>

Thanks, applied to dma-mapping-for-next branch.

> ---
>   include/{ => uapi}/linux/map_benchmark.h      | 13 +++--
>   kernel/dma/map_benchmark.c                    |  2 +-
>   tools/Makefile                                | 13 +++--
>   tools/dma/.gitignore                          |  3 +
>   tools/dma/Makefile                            | 55 +++++++++++++++++++
>   tools/{testing/selftests => }/dma/config      |  0
>   .../selftests => }/dma/dma_map_benchmark.c    |  1 -
>   tools/testing/selftests/dma/Makefile          |  7 ---
>   8 files changed, 74 insertions(+), 20 deletions(-)
>   rename include/{ => uapi}/linux/map_benchmark.h (80%)
>   create mode 100644 tools/dma/.gitignore
>   create mode 100644 tools/dma/Makefile
>   rename tools/{testing/selftests => }/dma/config (100%)
>   rename tools/{testing/selftests => }/dma/dma_map_benchmark.c (99%)
>   delete mode 100644 tools/testing/selftests/dma/Makefile

 > ...

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland