linux-kernel - Re: [PATCH v7 0/6] RISC-V non-coherent function pointer based CMO + non-coherent DMA support for AX45MP

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Message-ID: <0d5590e4-e78b-4197-bf17-9de54466470d@spud>
Date:   Fri, 31 Mar 2023 21:15:46 +0100
From:   Conor Dooley <conor@...nel.org>
To:     "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Heiko Stuebner <heiko@...ech.de>, Guo Ren <guoren@...nel.org>,
        Andrew Jones <ajones@...tanamicro.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Samuel Holland <samuel@...lland.org>,
        linux-riscv@...ts.infradead.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        uwu@...nowy.me
Subject: Re: [PATCH v7 0/6] RISC-V non-coherent function pointer based CMO +
 non-coherent DMA support for AX45MP

On Fri, Mar 31, 2023 at 08:09:16PM +0000, Lad, Prabhakar wrote:
> Hi Conor,
> 
> On Fri, Mar 31, 2023 at 7:05 PM Conor Dooley <conor@...nel.org> wrote:
> >
> > On Thu, Mar 30, 2023 at 09:42:11PM +0100, Prabhakar wrote:
> >
> > > - This series requires testing on Cores with zicbom and T-Head SoCs
> >
> > I don't actually know if there are Zicbom parts, may need to test that
> > on QEMU.
> > I had to revert unrelated content to boot, but my D1 NFS setup seems to
> > work fine with these changes, so where it is relevant:
> > Tested-by: Conor Dooley <conor.dooley@...rochip.com> # tyre-kicking on D1
> >
> Thank you for testing this. By any chance did you compare the performance?

No, just tyre kicking. Icenowy had some benchmark for it IIRC, I think
mining some coin or w/e. +CC them.

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