From: "Nutty.Liu" <nutty.liu@hotmail.com>
To: Andrew Jones <andrew.jones@oss.qualcomm.com>,
linux-riscv@lists.infradead.org, iommu@lists.linux.dev
Cc: linux-kernel@vger.kernel.org, tomasz.jeznach@linux.dev,
tjeznach@rivosinc.com, jgg@ziepe.ca, jgg@nvidia.com,
joro@8bytes.org, will@kernel.org, robin.murphy@arm.com,
pjw@kernel.org, palmer@dabbelt.com, anup@brainfault.org,
tglx@kernel.org, kevin.tian@intel.com,
fangyu.yu@linux.alibaba.com
Subject: Re: [PATCH v6 15/16] riscv: defconfig: Enable IOMMUFD and VFIO
Date: Mon, 28 Sep 2026 11:17:20 +0800 [thread overview]
Message-ID: <SE3PR04MB8922873F2CF8DA1DED1B2ADBF38D2@SE3PR04MB8922.apcprd04.prod.outlook.com> (raw)
In-Reply-To: <20260925151659.419512-16-andrew.jones@oss.qualcomm.com>
On 9/25/2026 11:16 PM, Andrew Jones wrote:
> Enable iommufd and VFIO in the default configuration now that the
> RISC-V IOMMU provides the DMA and MSI remapping needed for userspace
> device access, including assignment to virtual machines.
>
> Signed-off-by: Andrew Jones <andrew.jones@oss.qualcomm.com>
> Tested-by: Fangyu Yu <fangyu.yu@linux.alibaba.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Thanks,
Nutty
> ---
> arch/riscv/configs/defconfig | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index 04ae305d5511..daf382c05441 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -251,6 +251,10 @@ CONFIG_DMADEVICES=y
> CONFIG_DMA_SUN6I=m
> CONFIG_DW_AXI_DMAC=y
> CONFIG_MMP_PDMA=m
> +CONFIG_IOMMUFD=m
> +CONFIG_VFIO_DEVICE_CDEV=y
> +CONFIG_VFIO=m
> +CONFIG_VFIO_PCI=m
> CONFIG_VIRTIO_PCI=y
> CONFIG_VIRTIO_BALLOON=y
> CONFIG_VIRTIO_INPUT=y
next prev parent reply other threads:[~2026-09-28 3:17 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 15:16 [PATCH v6 00/16] iommu/riscv: Enable MSI remapping, IOMMU_DMA " Andrew Jones
2026-09-25 15:16 ` [PATCH v6 01/16] iommu/dma: Prepare MSI physical address lists Andrew Jones
2026-10-02 16:21 ` Robin Murphy
2026-10-03 12:03 ` Andrew Jones
2026-10-03 12:10 ` Jason Gunthorpe
2026-09-25 15:16 ` [PATCH v6 02/16] iommufd: Convert struct iommufd_sw_msi_maps to a growable bitmap Andrew Jones
2026-09-25 15:16 ` [PATCH v6 03/16] iommufd: Split software MSI map lookup and allocation Andrew Jones
2026-09-25 15:16 ` [PATCH v6 04/16] iommufd: Bound software MSI mappings to the reserved range Andrew Jones
2026-09-25 15:16 ` [PATCH v6 05/16] iommufd: Prepare software MSI maps for address lists Andrew Jones
2026-09-25 15:16 ` [PATCH v6 06/16] iommufd: Install software MSI map ranges atomically Andrew Jones
2026-09-25 15:16 ` [PATCH v6 07/16] iommufd: Prepare software MSI installation for address lists Andrew Jones
2026-09-28 10:23 ` Andrew Jones
2026-09-25 15:16 ` [PATCH v6 08/16] iommu/dma: Introduce iommu_dma_prepare_msi_list() Andrew Jones
2026-09-25 15:16 ` [PATCH v6 09/16] iommu/riscv: Reserve an MSI IOVA window for iommufd Andrew Jones
2026-09-25 15:16 ` [PATCH v6 10/16] irqchip/riscv-imsic: Add MSI address list Andrew Jones
2026-09-25 15:51 ` Anup Patel
2026-09-28 3:27 ` Nutty.Liu
2026-09-28 10:20 ` Andrew Jones
2026-09-25 15:16 ` [PATCH v6 11/16] irqchip/riscv-imsic: Support IOMMU MSI address lists Andrew Jones
2026-09-25 15:52 ` Anup Patel
2026-09-28 3:18 ` Nutty.Liu
2026-09-25 15:16 ` [PATCH v6 12/16] iommu/dma: Enable IOMMU_DMA for 64-bit RISC-V Andrew Jones
2026-09-28 3:17 ` Nutty.Liu
2026-09-25 15:16 ` [PATCH v6 13/16] vfio: enable IOMMU_TYPE1 for RISC-V Andrew Jones
2026-09-25 15:16 ` [PATCH v6 14/16] RISC-V: KVM: Enable KVM_VFIO interfaces on RISC-V arch Andrew Jones
2026-09-25 15:51 ` Anup Patel
2026-09-25 15:16 ` [PATCH v6 15/16] riscv: defconfig: Enable IOMMUFD and VFIO Andrew Jones
2026-09-28 3:17 ` Nutty.Liu [this message]
2026-09-25 15:16 ` [PATCH v6 16/16] selftests/vfio: Allow building on RISC-V Andrew Jones
2026-09-28 3:16 ` Nutty.Liu
2026-09-28 10:24 ` [PATCH v6 00/16] iommu/riscv: Enable MSI remapping, IOMMU_DMA and VFIO Andrew Jones
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