From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.maydell@linaro.org (Peter Maydell) Date: Fri, 12 Jan 2018 10:21:48 +0000 Subject: [PATCH v1 01/16] virtio: Validate queue pfn for 32bit transports In-Reply-To: <2aacb81b-0efb-87b9-f70c-a61e66dd0331@arm.com> 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> <2aacb81b-0efb-87b9-f70c-a61e66dd0331@arm.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10 January 2018 at 11:25, Jean-Philippe Brucker wrote: > Hi Peter, > > On 10/01/18 11:19, Peter Maydell wrote: >> 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. Having an entire transport just for the IOMMU doesn't make a great deal of sense either though :-) If we didn't already have virtio-mmio kicking around would we really have designed it that way? thanks -- PMM