linux-kernel - Re: [RFC v5.1 9/9] [DON'T APPLY] cache: sifive-ccache: add cache flushing capability

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Message-Id: <62fa1fff-b055-410d-bbf9-e4017dc23e88@app.fastmail.com>
Date:   Wed, 04 Jan 2023 15:15:12 +0100
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Conor Dooley" <conor@...nel.org>,
        "Palmer Dabbelt" <palmer@...belt.com>
Cc:     Prabhakar <prabhakar.csengg@...il.com>,
        "Conor.Dooley" <conor.dooley@...rochip.com>,
        "Andrew Jones" <ajones@...tanamicro.com>,
        "Albert Ou" <aou@...s.berkeley.edu>,
        "Anup Patel" <apatel@...tanamicro.com>,
        "Atish Patra" <atishp@...osinc.com>,
        "Biju Das" <biju.das.jz@...renesas.com>,
        devicetree@...r.kernel.org,
        "Geert Uytterhoeven" <geert@...ux-m68k.org>,
        guoren <guoren@...nel.org>,
        "Christoph Hellwig" <hch@...radead.org>,
        Heiko Stübner <heiko@...ech.de>,
        "Jisheng Zhang" <jszhang@...nel.org>,
        krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        linux-riscv@...ts.infradead.org,
        "Magnus Damm" <magnus.damm@...il.com>,
        "Nathan Chancellor" <nathan@...nel.org>,
        "Paul Walmsley" <paul.walmsley@...ive.com>,
        "Philipp Tomsich" <philipp.tomsich@...ll.eu>,
        "Lad, Prabhakar" <prabhakar.mahadev-lad.rj@...renesas.com>,
        "Rob Herring" <robh+dt@...nel.org>,
        "Samuel Holland" <samuel@...lland.org>, soc@...nel.org,
        "Daire McNamara" <daire.mcnamara@...rochip.com>
Subject: Re: [RFC v5.1 9/9] [DON'T APPLY] cache: sifive-ccache: add cache flushing
 capability

On Wed, Jan 4, 2023, at 14:20, Conor Dooley wrote:
> On Wed, Jan 04, 2023 at 01:18:45PM +0100, Arnd Bergmann wrote:
>> On Wed, Jan 4, 2023, at 12:56, Conor Dooley wrote:
>> > On Wed, Jan 04, 2023 at 11:19:44AM +0100, Arnd Bergmann wrote:
> Perhaps more of a question for Palmer than you, but how about leaving
> ALT_CMO_OP as-is in riscv/for-next at the moment, wrapping it in
> zicbom_cache_foo() & leaving that extraction for a follow-on work?
> There's another conversation going on about expanding the THEAD stuff,
> so that could be done on top of Prabhakar's v6.

Right, makes sense to me.

      Arnd