linux-kernel - Re: [PATCH v11 09/14] irqchip/riscv-imsic: Add support for PCI MSI irqdomain

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Date:   Wed, 25 Oct 2023 21:59:15 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Anup Patel <apatel@...tanamicro.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Frank Rowand <frowand.list@...il.com>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Marc Zyngier <maz@...nel.org>,
        Björn Töpel <bjorn@...nel.org>,
        Atish Patra <atishp@...shpatra.org>,
        Andrew Jones <ajones@...tanamicro.com>,
        Sunil V L <sunilvl@...tanamicro.com>,
        Saravana Kannan <saravanak@...gle.com>,
        Anup Patel <anup@...infault.org>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Anup Patel <apatel@...tanamicro.com>
Subject: Re: [PATCH v11 09/14] irqchip/riscv-imsic: Add support for PCI MSI
 irqdomain

On Mon, Oct 23 2023 at 22:57, Anup Patel wrote:
> The Linux PCI framework requires it's own dedicated MSI irqdomain so
> let us create PCI MSI irqdomain as child of the IMSIC base irqdomain.

Same here. Please don't add new incarnations of that and switch over to
per device MSI domains which is the most future proof mechanism.

Thanks,

        tglx