linux-kernel - Re: [PATCH v4] drivers/perf: Add support for ARMv8.3-SPE

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Message-Id: <161116486445.2646464.6398654899152259166.b4-ty@kernel.org>
Date:   Wed, 20 Jan 2021 18:13:00 +0000
From:   Will Deacon <will@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Amit Daniel Kachhap <amit.kachhap@....com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Ard Biesheuvel <ardb@...nel.org>, Wei Li <liwei391@...wei.com>,
        Mark Rutland <mark.rutland@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Vladimir Murzin <vladimir.murzin@....com>,
        Ionela Voinescu <ionela.voinescu@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Marc Zyngier <maz@...nel.org>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        guohanjun@...wei.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] drivers/perf: Add support for ARMv8.3-SPE

On Thu, 3 Dec 2020 22:16:09 +0800, Wei Li wrote:
> Armv8.3 extends the SPE by adding:
> - Alignment field in the Events packet, and filtering on this event
>   using PMSEVFR_EL1.
> - Support for the Scalable Vector Extension (SVE).
> 
> The main additions for SVE are:
> - Recording the vector length for SVE operations in the Operation Type
>   packet. It is not possible to filter on vector length.
> - Incomplete predicate and empty predicate fields in the Events packet,
>   and filtering on these events using PMSEVFR_EL1.
> 
> [...]

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

[1/1] drivers/perf: Add support for ARMv8.3-SPE
      https://git.kernel.org/will/c/4a669e2432fc

Cheers,
-- 
Will

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