Date:   Tue, 21 Feb 2023 10:40:37 +0000
From:   Conor Dooley <conor.dooley@microchip.com>
To:     Christoph =?iso-8859-1?Q?M=FCllner?= <christoph.muellner@vrull.eu>
CC:     Palmer Dabbelt <palmer@dabbelt.com>, <apatel@ventanamicro.com>,
        <pbonzini@redhat.com>, <atishp@atishpatra.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        <ajones@ventanamicro.com>, <anup@brainfault.org>,
        <kvm@vger.kernel.org>, <kvm-riscv@lists.infradead.org>,
        <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/7] RISC-V: Detect AIA CSRs from ISA string
Message-ID: <Y/Sfpb2c/LS0LCiA@wendy>
References: <20230128072737.2995881-3-apatel@ventanamicro.com>
 <mhng-0f9bdf58-5289-4db4-8fd7-38898824c44f@palmer-ri-x1c9>
 <CAEg0e7hrQFu+cdZy+3QO1ML9FNTPBehZwOOBnr1F-5ABYDnkGg@mail.gmail.com>
 <CAEg0e7hRjMSgYZbPTQztbQ3bGZf-r8wAfCK5ZnDXOcx27HcTCA@mail.gmail.com>
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Hey Christoph,

On Tue, Feb 21, 2023 at 08:12:58AM +0100, Christoph M=FCllner wrote:
> Hi all,
>=20
> The RISC-V Architectural Review Committee has discussed the concerns
> regarding the non-ratified chapters in the AIA specification.

Thanks for the update!

> Here is the relevant quote from the meeting minutes:
> """
> Although the Advanced Interrupt Architecture (AIA) has already passed
> Architecture Review (with a minor edit still pending), the committee
> has some suggestions about its final steps to ratification, to avoid
> the AIA document having a mixture of ratified and non-ratified content:

> - The AIA document's remaining draft chapter on the Duo-PLIC, which is
>   not currently on a path to ratification, can be removed to a separate
>   document.

That sounds promising...

> - Ratification of the full AIA (without Duo-PLIC) can be postponed to
>   coincide with ratification of the IOMMU specification, given that
>   the latter is now expected in a reasonable time, and the AIA's last
>   chapter concerning IOMMUs is already scheduled to go through public
>   review and be ratified only together with the IOMMU specification.
> """

=2E..and so does this. AIA stuff's acceptability only depending on the
IOMMU spec's freeze (and thus Chapter 9's) seems like a vast improvement
on the status quo to me!

> The full meeting minutes can be found here:
>   https://lists.riscv.org/g/tech-chairs/message/1381

This link is non functional unfortunately :/

Cheers,
Conor.


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