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Date:   Wed, 21 Jun 2023 14:23:43 +0100
From:   Mark Rutland <mark.rutland@arm.com>
To:     Anshuman Khandual <anshuman.khandual@arm.com>
Cc:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        will@kernel.org, catalin.marinas@arm.com,
        Mark Brown <broonie@kernel.org>,
        James Clark <james.clark@arm.com>,
        Rob Herring <robh@kernel.org>, Marc Zyngier <maz@kernel.org>,
        Suzuki Poulose <suzuki.poulose@arm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        linux-perf-users@vger.kernel.org
Subject: Re: [PATCH V12 00/10] arm64/perf: Enable branch stack sampling
Message-ID: <ZJL538Ud9C6xgDid@FVFF77S0Q05N>
References: <20230615133239.442736-1-anshuman.khandual@arm.com>
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On Thu, Jun 15, 2023 at 07:02:29PM +0530, Anshuman Khandual wrote:
> This series enables perf branch stack sampling support on arm64 platform
> via a new arch feature called Branch Record Buffer Extension (BRBE). All
> relevant register definitions could be accessed here.
> 
> https://developer.arm.com/documentation/ddi0601/2021-12/AArch64-Registers
> 
> This series applies on 6.4-rc6.

This largely looks good, but obviously this will need a respin to address the
fallout on 32-bit.

Thanks,
Mark.