linux-kernel - Re: [PATCH v4 0/8] perf: arm: Make PMUv3 driver available for aarch32

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Date:   Mon, 27 Mar 2023 16:01:19 +0100
From:   Will Deacon <will@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Zaid Al-Bassam <zalbassam@...gle.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Marc Zyngier <maz@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Jesus Sanchez-Palencia <jesussanp@...gle.com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        linux-kernel@...r.kernel.org, f.fainelli@...il.com,
        Russell King <linux@...linux.org.uk>,
        linux-perf-users@...r.kernel.org,
        James Morse <james.morse@....com>,
        kvmarm@...ts.cs.columbia.edu, kvmarm@...ts.linux.dev,
        Peter Zijlstra <peterz@...radead.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>
Subject: Re: [PATCH v4 0/8] perf: arm: Make PMUv3 driver available for aarch32

On Fri, 17 Mar 2023 15:50:19 -0400, Zaid Al-Bassam wrote:
> Currently, PMUv3 driver is only available for ARMv8 aarch64 platforms,
> ARMv8 platorms running in aarch32 mode dont have access to the driver.
> This is, especially, a problem for ARMv8 platforms that only have
> aarch32 support, like the Cortex-A32.
> 
> Make the PMUv3 driver available to arm arch (ARMv8 aarch32) by moving
> the PMUv3 driver from arm64 to drivers, that makes the driver common
> to both arm and arm64 architectures, then add PMUv3 arm Support.
> 
> [...]

Applied to will (for-next/perf), thanks!

[1/8] arm64: perf: Move PMUv3 driver to drivers/perf
      https://git.kernel.org/will/c/7755cec63ade
[2/8] arm64: perf: Abstract system register accesses away
      https://git.kernel.org/will/c/df29ddf4f04b
[3/8] perf: pmuv3: Abstract PMU version checks
      https://git.kernel.org/will/c/711432770f78
[4/8] perf: pmuv3: Move inclusion of kvm_host.h to the arch-specific helper
      https://git.kernel.org/will/c/11fba29a8a1f
[5/8] perf: pmuv3: Change GENMASK to GENMASK_ULL
      https://git.kernel.org/will/c/b3a070869f39
[6/8] ARM: Make CONFIG_CPU_V7 valid for 32bit ARMv8 implementations
      https://git.kernel.org/will/c/252309adc81f
[7/8] ARM: perf: Allow the use of the PMUv3 driver on 32bit ARM
      https://git.kernel.org/will/c/009d6dc87a56
[8/8] ARM: mach-virt: Select PMUv3 driver by default
      https://git.kernel.org/will/c/3b16f6268e66

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev