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

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Date:   Mon, 23 Oct 2023 08:13:10 +0800
From:   Yu-Chien Peter Lin <peterlin@...estech.com>
To:     Conor Dooley <conor@...nel.org>
CC:     <acme@...nel.org>, <adrian.hunter@...el.com>,
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Subject: Re: [PATCH v3 00/13] Support Andes PMU extension

On Sun, Oct 22, 2023 at 07:00:28PM +0100, Conor Dooley wrote:
> 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.

Hi Conor,

Yeah... I know. The following emails were intercepted automatically
due to our data traffic policy. I will resend the whole series soon.

Best regards,
Peter Lin