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SubjectRe: [PATCH v9 0/2] Add support for UltraSoc System Memory Buffer
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Gentle ping. Any comment or suggestion is appreciated.

thanks.

On 2022/8/18 21:22, Junhao He wrote:
> Add support for UltraSoc System Memory Buffer.
>
> Change since v8:
> - Insert a blank line at the end of the config tag in Kconfig.
> - Fix the "llseek" initialization.
> - Link: https://lore.kernel.org/linux-arm-kernel/20220816131634.38195-1-hejunhao3@huawei.com/
>
> Change since v7:
> - Use the macros for register bit flags and numbers of resource.
> - Fix punctuation.
> - Update the Date tag and the KernelVersion tag in the document.
> - Link: https://lore.kernel.org/lkml/20220712091353.34540-1-hejunhao3@huawei.com/
>
> Change since v6:
> - Modify the code style and driver description according to Suzuki's comment.
> - Modify configuration of "drvdata->reading", to void problems in open/read
> concurrency scenario.
> - Rename the macro of "SMB_FLOW_MASK".
> - Use the "handle->head" to determine the page number and offset.
> - Link: https://lore.kernel.org/linux-arm-kernel/20220606130223.57354-1-liuqi115@huawei.com/
>
> Change since v5:
> - Address the comments from Suzuki, add some comments in SMB document, and modify
> configuration of "drvdata->reading", to void problems in multi-core concurrency scenario
> - Link: https://lore.kernel.org/linux-arm-kernel/20220416083953.52610-1-liuqi115@huawei.com/
>
> Change since v4:
> - Add a simple document of SMB driver according to Suzuki's comment.
> - Address the comments from Suzuki.
> - Link: https://lore.kernel.org/linux-arm-kernel/20220128061755.31909-1-liuqi115@huawei.com/
>
> Change since v3:
> - Modify the file header according to community specifications.
> - Address the comments from Mathieu.
> - Link: https://lore.kernel.org/linux-arm-kernel/20211118110016.40398-1-liuqi115@huawei.com/
>
> Change since v2:
> - Move ultrasoc driver to drivers/hwtracing/coresight.
> - Link: https://lists.linaro.org/pipermail/coresight/2021-November/007310.html
>
> Change since v1:
> - Drop the document of UltraSoc according to Mathieu's comment.
> - Add comments to explain some private hardware settings.
> - Address the comments from Mathieu.
> - Link: https://lists.linaro.org/pipermail/coresight/2021-August/006842.html
>
> Change since RFC:
> - Move driver to drivers/hwtracing/coresight/ultrasoc.
> - Remove ultrasoc-axi-com.c, as AXI-COM doesn't need to be configured in
> basic tracing function.
> - Remove ultrasoc.c as SMB does not need to register with the ultrasoc core.
> - Address the comments from Mathieu and Suzuki.
> - Link: https://lists.linaro.org/pipermail/coresight/2021-June/006535.html
>
> Qi Liu (2):
> drivers/coresight: Add UltraSoc System Memory Buffer driver
> Documentation: Add document for UltraSoc SMB drivers
>
> .../sysfs-bus-coresight-devices-ultra_smb | 31 +
> .../trace/coresight/ultrasoc-smb.rst | 80 +++
> drivers/hwtracing/coresight/Kconfig | 11 +
> drivers/hwtracing/coresight/Makefile | 1 +
> drivers/hwtracing/coresight/ultrasoc-smb.c | 636 ++++++++++++++++++
> drivers/hwtracing/coresight/ultrasoc-smb.h | 115 ++++
> 6 files changed, 874 insertions(+)
> create mode 100644 Documentation/ABI/testing/sysfs-bus-coresight-devices-ultra_smb
> create mode 100644 Documentation/trace/coresight/ultrasoc-smb.rst
> create mode 100644 drivers/hwtracing/coresight/ultrasoc-smb.c
> create mode 100644 drivers/hwtracing/coresight/ultrasoc-smb.h
>

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