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Re: [Qemu-riscv] [Qemu-devel] [PATCH v1 1/1] riscv: plic: Set msi_nonbro

From: Markus Armbruster
Subject: Re: [Qemu-riscv] [Qemu-devel] [PATCH v1 1/1] riscv: plic: Set msi_nonbroken as true
Date: Mon, 18 Mar 2019 09:58:10 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Alistair Francis <address@hidden> writes:

> Set msi_nonbroken as true for the PLIC.
> According to the comment located here:
> https://git.qemu.org/?p=qemu.git;a=blob;f=hw/pci/msi.c;h=47d2b0f33c664533b8dbd5cb17faa8e6a01afe1f;hb=HEAD#l38
> the msi_nonbroken variable should be set to true even if they don't
> support MSI. In this case that is what we are doing as we don't support
> MSI.
> Signed-off-by: Alistair Francis <address@hidden>
> Reported-by: Andrea Bolognani <address@hidden>
> Reported-by: David Abdurachmanov <address@hidden>
> ---
> This should allow working pcie-root-ports in QEMU and allow libvirt
> to start using PCIe by default for RISC-V guests.

Lovely!  If more people reviewed and updated their interrupt controllers
this way, we'd be in better shape.

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