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Message-ID: <CAL_JsqL2ZeNhpm3E=xVEtdiwGXV7Ni4YpdYn7thvbgt7Gn-QUA@mail.gmail.com>
Date: Tue, 6 May 2025 16:30:43 -0500
From: Rob Herring <robh@...nel.org>
To: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc: Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>, 
	Catalin Marinas <catalin.marinas@....com>, Jonathan Corbet <corbet@....net>, Marc Zyngier <maz@...nel.org>, 
	Oliver Upton <oliver.upton@...ux.dev>, Joey Gouly <joey.gouly@....com>, 
	Suzuki K Poulose <suzuki.poulose@....com>, Zenghui Yu <yuzenghui@...wei.com>, 
	James Clark <james.clark@...aro.org>, Anshuman Khandual <anshuman.khandual@....com>, 
	Leo Yan <leo.yan@....com>, linux-arm-kernel@...ts.infradead.org, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-doc@...r.kernel.org, kvmarm@...ts.linux.dev, 
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v21 0/4] arm64/perf: Enable branch stack sampling

On Tue, May 6, 2025 at 9:47 AM Jonathan Cameron
<Jonathan.Cameron@...wei.com> wrote:
>
> On Mon, 07 Apr 2025 12:41:29 -0500
> "Rob Herring (Arm)" <robh@...nel.org> wrote:
>
> > This series enables perf branch stack sampling support on arm64 via a
> > v9.2 arch feature called Branch Record Buffer Extension (BRBE). Details
> > on BRBE can be found in the Arm ARM[1] chapter D18.
> >
> > I've picked up this series from Anshuman. v19 and v20 versions have been
> > reworked quite a bit by Mark and myself. The bulk of those changes are
> > in patch 4.
> >
> > A git branch is here[2].
> >
> > [1] https://developer.arm.com/documentation/ddi0487/latest/
> > [2] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git arm/brbe-v21
>
> Hi Rob,
>
> Expecting any changes on this?  Anything specific we can do to help then shout.

I hope not. Still waiting on Mark R's review though... I'm sure there
will be something and since perf drivers seemingly only get reviewed
once a cycle, I guess it will be another cycle... Sigh.

Rob

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