linux-kernel - Re: [PATCH v9 0/8] Add support for HiSilicon PCIe Tune and Trace device

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Message-ID: <20220629164357.GA2018382@p14s>
Date:   Wed, 29 Jun 2022 10:43:57 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Yicong Yang <yangyicong@...wei.com>,
        Greg KH <gregkh@...uxfoundation.org>, yangyicong@...ilicon.com,
        helgaas@...nel.org, lorenzo.pieralisi@....com,
        suzuki.poulose@....com, jonathan.cameron@...wei.com,
        robin.murphy@....com, leo.yan@...aro.org, mark.rutland@....com,
        will@...nel.org, joro@...tes.org,
        shameerali.kolothum.thodi@...wei.com, mingo@...hat.com,
        linux-kernel@...r.kernel.org, john.garry@...wei.com,
        linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-perf-users@...r.kernel.org, iommu@...ts.linux-foundation.org,
        prime.zeng@...wei.com, liuqi115@...wei.com, james.clark@....com,
        zhangshaokun@...ilicon.com, linuxarm@...wei.com,
        alexander.shishkin@...ux.intel.com, acme@...nel.org
Subject: Re: [PATCH v9 0/8] Add support for HiSilicon PCIe Tune and Trace
 device

On Mon, Jun 27, 2022 at 04:01:31PM +0200, Peter Zijlstra wrote:
> On Mon, Jun 27, 2022 at 09:25:42PM +0800, Yicong Yang wrote:
> > On 2022/6/27 21:12, Greg KH wrote:
> > > On Mon, Jun 27, 2022 at 07:18:12PM +0800, Yicong Yang wrote:
> > >> Hi Greg,
> > >>
> > >> Since the kernel side of this device has been reviewed for 8 versions with
> > >> all comments addressed and no more comment since v9 posted in 5.19-rc1,
> > >> is it ok to merge it first (for Patch 1-3 and 7-8)?
> > > 
> > > I am not the maintainer of this subsystem, so I do not understand why
> > > you are asking me :(
> > > 
> > 
> > I checked the log of drivers/hwtracing and seems patches of coresight/intel_th/stm
> > applied by different maintainers and I see you applied some patches of intel_th/stm.
> > Should any of these three maintainers or you can help applied this?
> 
> I was hoping Mark would have a look, since he knows this ARM stuff
> better than me. But ISTR he's somewhat busy atm too. But an ACK from the
> CoreSight people would also be appreciated.
>

I'll spend some time on it next week.

Thanks,
Mathieu

> And Arnaldo usually doesn't pick up the userspace perf bits until the
> kernel side is sorted.