linux-kernel - Re: [PATCH v6 0/2] perf: ARM CoreSight PMU support

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Date:   Mon, 7 Nov 2022 18:01:05 +0000
From:   Will Deacon <will@...nel.org>
To:     Besar Wicaksono <bwicaksono@...dia.com>
Cc:     "suzuki.poulose@....com" <suzuki.poulose@....com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "sudeep.holla@....com" <sudeep.holla@....com>,
        "thanu.rangarajan@....com" <thanu.rangarajan@....com>,
        "Michael.Williams@....com" <Michael.Williams@....com>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Vikram Sethi <vsethi@...dia.com>,
        "mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>,
        "mike.leach@...aro.org" <mike.leach@...aro.org>,
        "leo.yan@...aro.org" <leo.yan@...aro.org>
Subject: Re: [PATCH v6 0/2] perf: ARM CoreSight PMU support

On Mon, Nov 07, 2022 at 05:11:07PM +0000, Besar Wicaksono wrote:
> Hi Will,
> 
> > -----Original Message-----
> > From: Will Deacon <will@...nel.org>
> > Sent: Monday, November 7, 2022 9:53 AM
> > To: Besar Wicaksono <bwicaksono@...dia.com>
> > Cc: suzuki.poulose@....com; robin.murphy@....com;
> > catalin.marinas@....com; mark.rutland@....com; linux-arm-
> > kernel@...ts.infradead.org; linux-kernel@...r.kernel.org; linux-
> > tegra@...r.kernel.org; sudeep.holla@....com;
> > thanu.rangarajan@....com; Michael.Williams@....com; Thierry Reding
> > <treding@...dia.com>; Jonathan Hunter <jonathanh@...dia.com>; Vikram
> > Sethi <vsethi@...dia.com>; mathieu.poirier@...aro.org;
> > mike.leach@...aro.org; leo.yan@...aro.org
> > Subject: Re: [PATCH v6 0/2] perf: ARM CoreSight PMU support
> > 
> > External email: Use caution opening links or attachments
> > 
> > 
> > On Thu, Sep 29, 2022 at 09:34:41PM -0500, Besar Wicaksono wrote:
> > > Add driver support for ARM CoreSight PMU device and event attributes for
> > NVIDIA
> > > implementation. The code is based on ARM Coresight PMU architecture
> > and ACPI ARM
> > > Performance Monitoring Unit table (APMT) specification below:
> > >  * ARM Coresight PMU:
> > >         https://developer.arm.com/documentation/ihi0091/latest
> > >  * APMT: https://developer.arm.com/documentation/den0117/latest
> > >
> > > The patchset applies on top of
> > >   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> > >   master next-20220524
> > >
> > > For APMT support, please see patchset:
> > https://lkml.org/lkml/2022/4/19/1395
> > >
> > > Changes from v5:
> > >  * Default get_event/format_attrs callback now returns copy of default
> > array.
> > > Thanks to suzuki.poulose@....com for the review comments.
> > > v5: https://lore.kernel.org/linux-arm-kernel/20220928201830.45637-1-
> > bwicaksono@...dia.com/
> > 
> > These patches no longer apply. Please can you rebase onto -rc4 and drop the
> > defconfig change from the first patch?
> 
> Why does the defconfig change need to be dropped ?

Oh, just because that file is a big source of conflicts so I'd prefer to
keep defconfig changes separate from patches which add new functionality.

Will