From mboxrd@z Thu Jan 1 00:00:00 1970 From: jean-philippe.brucker@arm.com (Jean-Philippe Brucker) Date: Wed, 10 Jan 2018 11:25:42 +0000 Subject: [PATCH v1 01/16] virtio: Validate queue pfn for 32bit transports In-Reply-To: References: <20180109190414.4017-1-suzuki.poulose@arm.com> <20180109190414.4017-2-suzuki.poulose@arm.com> <20180110012429-mutt-send-email-mst@kernel.org> <20180110130230-mutt-send-email-mst@kernel.org> Message-ID: <2aacb81b-0efb-87b9-f70c-a61e66dd0331@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Peter, On 10/01/18 11:19, Peter Maydell wrote: > On 10 January 2018 at 11:06, Michael S. Tsirkin wrote: >> For virtio-mmio? I don't seem to see that code in >> hw/virtio/virtio-mmio.c >> For example I still see handling for VIRTIO_MMIO_QUEUE_PFN >> there, and no handling for VIRTIO_MMIO_QUEUE_DESC_LOW >> and such. > > Are there uses that make it worthwhile to get virtio-1 > support added to virtio-mmio, rather than just getting > people to move over to virtio-pci instead ? virtio-iommu uses virtio-mmio transport. It makes little sense to have an IOMMU presented as a PCI endpoint. Thanks, Jean