linux-kernel - Re: [PATCH 0/2] coresight: ultrasoc: Add support for System Memory Buffer device

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Date:   Thu, 5 Aug 2021 16:01:23 +0800
From:   "liuqi (BA)" <liuqi115@...wei.com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Linuxarm <linuxarm@...wei.com>
CC:     "Suzuki K. Poulose" <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Coresight ML <coresight@...ts.linaro.org>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 0/2] coresight: ultrasoc: Add support for System Memory
 Buffer device



On 2021/8/4 22:31, Mathieu Poirier wrote:
> On Wed, 4 Aug 2021 at 02:05, liuqi (BA) <liuqi115@...wei.com> wrote:
>>
>> Gentle ping...
>> Hi Mathieu and Suzuki, can you have a look at this patchset? thanks.
>>
> 
> On August 2nd I got back to you privately saying I won't be able to
> review this patchset before the last week of August or the first week
> of September.  Pinging me again on it won't change that reality.
> 
Hi Mathieu,

Sorry for pinging again as I didn't see that email, perhaps because it 
is not captured to my coresight subfolder by my mailbox filtering rule 
:(. I'll wait patiently for your reply.

Thanks,
Qi

>> On 2021/7/19 19:17, Qi Liu wrote:
>>> This patchset add support for SMB(System Memory Buffer) device, SMB
>>> obtains CPU instructions from Coresight ETM device and stores these
>>> messages in system memory.
>>> SMB is developed by Ultrasoc technology, which is acquired by Siemens,
>>> and we still use "Ultrasoc" to name document and driver.
>>>
>>> Change since RFC:
>>> - Move ultrasoc driver to drivers/hwtracing/coresight.
>>> - 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):
>>>     Documentation: tracing: Documentation for ultrasoc SMB drivers
>>>     coresight: ultrasoc: Add System Memory Buffer driver
>>>
>>>    .../trace/coresight/ultrasoc-trace.rst        | 193 +++++
>>>    MAINTAINERS                                   |   7 +
>>>    drivers/hwtracing/coresight/Kconfig           |   3 +
>>>    drivers/hwtracing/coresight/Makefile          |   2 +
>>>    drivers/hwtracing/coresight/ultrasoc/Kconfig  |  12 +
>>>    drivers/hwtracing/coresight/ultrasoc/Makefile |   6 +
>>>    .../coresight/ultrasoc/ultrasoc-smb.c         | 722 ++++++++++++++++++
>>>    .../coresight/ultrasoc/ultrasoc-smb.h         | 142 ++++
>>>    8 files changed, 1087 insertions(+)
>>>    create mode 100644 Documentation/trace/coresight/ultrasoc-trace.rst
>>>    create mode 100644 drivers/hwtracing/coresight/ultrasoc/Kconfig
>>>    create mode 100644 drivers/hwtracing/coresight/ultrasoc/Makefile
>>>    create mode 100644 drivers/hwtracing/coresight/ultrasoc/ultrasoc-smb.c
>>>    create mode 100644 drivers/hwtracing/coresight/ultrasoc/ultrasoc-smb.h
>>>
>>
> .
>