linux-kernel - Re: [PATCH v4 2/8] hwtracing: Add trace function support for HiSilicon PCIe Tune and Trace device

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Message-ID: <aabd5f0a-1a54-e4da-734c-f940c45d66b4@huawei.com>
Date:   Thu, 24 Feb 2022 12:32:59 +0000
From:   John Garry <john.garry@...wei.com>
To:     Yicong Yang <yangyicong@...wei.com>,
        Yicong Yang <yangyicong@...ilicon.com>,
        <gregkh@...uxfoundation.org>, <helgaas@...nel.org>,
        <alexander.shishkin@...ux.intel.com>, <lorenzo.pieralisi@....com>,
        <will@...nel.org>, <mark.rutland@....com>,
        <mathieu.poirier@...aro.org>, <suzuki.poulose@....com>,
        <mike.leach@...aro.org>, <leo.yan@...aro.org>,
        <jonathan.cameron@...wei.com>, <daniel.thompson@...aro.org>,
        <joro@...tes.org>, <shameerali.kolothum.thodi@...wei.com>,
        <robin.murphy@....com>, <peterz@...radead.org>, <mingo@...hat.com>,
        <acme@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <coresight@...ts.linaro.org>, <linux-pci@...r.kernel.org>,
        <linux-perf-users@...r.kernel.org>,
        <iommu@...ts.linux-foundation.org>
CC:     <prime.zeng@...wei.com>, <liuqi115@...wei.com>,
        <zhangshaokun@...ilicon.com>, <linuxarm@...wei.com>,
        <song.bao.hua@...ilicon.com>
Subject: Re: [PATCH v4 2/8] hwtracing: Add trace function support for
 HiSilicon PCIe Tune and Trace device

On 24/02/2022 03:53, Yicong Yang wrote:
> On 2022/2/22 19:06, John Garry wrote:
>> On 21/02/2022 08:43, Yicong Yang wrote:
>>> HiSilicon PCIe tune and trace device(PTT) is a PCIe Root Complex
>>> integrated Endpoint(RCiEP) device, providing the capability
>>> to dynamically monitor and tune the PCIe traffic, and trace
>>> the TLP headers.
>>>
>>> Add the driver for the device to enable the trace function.
>>> This patch adds basic function of trace, including the device's
>>> probe and initialization, functions for trace buffer allocation
>>> and trace enable/disable, register an interrupt handler to
>>> simply response to the DMA events. The user interface of trace
>>> will be added in the following patch.
>>>
>>
>> Fill commit message lines upto 75 characters
> 
> Hi John,
> 
> Thanks for the comments.
> 
> The commit message is within 75 characters. I checked again and checkpatch
> didn't warning for this.

I mean to fill the lines up as much as possible, upto 75 char max, if 
not already done so. I am not sure if you are doing this already, but it 
looks like you were not.

Checkpatch
will
no
warn
about
a
commit
message
like
this
:)


Thanks,
john