linux-kernel - Re: [PATCH v3 00/13] Support Andes PMU extension

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Date:   Sun, 22 Oct 2023 19:00:28 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Yu Chien Peter Lin <peterlin@...estech.com>
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Subject: Re: [PATCH v3 00/13] Support Andes PMU extension

Hey,

On Sun, Oct 22, 2023 at 11:18:45PM +0800, Yu Chien Peter Lin wrote:
> Hi All,
> 
> This patch series introduces the Andes PMU extension, which serves
> the same purpose as Sscofpmf. In this version we use FDT-based
> probing and the CONFIG_ANDES_CUSTOM_PMU to enable perf sampling
> and filtering support.
> 
> Its non-standard local interrupt is assigned to bit 18 in the
> custom S-mode local interrupt enable/pending registers (slie/slip),
> while the interrupt cause is (256 + 18).
> 
> The feature needs the PMU device registered in OpenSBI.
> The OpenSBI and Linux patches can be found on Andes Technology GitHub
> - https://github.com/andestech/opensbi/commits/andes-pmu-support-v2
> - https://github.com/andestech/linux/commits/andes-pmu-support-v3
> 
> The PMU device tree node used on AX45MP:
> - https://github.com/andestech/opensbi/blob/andes-pmu-support-v2/docs/pmu_support.md#example-3
> 
> Tested hardware:
> - ASUS  Tinker-V (RZ/Five, AX45MP single core)
> - Andes AE350    (AX45MP quad core)
> 
> Locus Wei-Han Chen (1):
>   riscv: andes: Support symbolic FW and HW raw events
> 
> Yu Chien Peter Lin (12):
>   riscv: errata: Rename defines for Andes
>   irqchip/riscv-intc: Allow large non-standard hwirq number
>   irqchip/riscv-intc: Introduce Andes IRQ chip
>   dt-bindings: riscv: Add Andes interrupt controller compatible string
>   riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes
>     INTC
>   perf: RISC-V: Eliminate redundant IRQ enable/disable operations
>   RISC-V: Move T-Head PMU to CPU feature alternative framework
>   perf: RISC-V: Introduce Andes PMU for perf event sampling
>   dt-bindings: riscv: Add T-Head PMU extension description
>   dt-bindings: riscv: Add Andes PMU extension description
>   riscv: dts: allwinner: Add T-Head PMU extension
>   riscv: dts: renesas: Add Andes PMU extension

You only sent 5 of these patches FYI.

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