From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Philippe Brucker Subject: Re: [PATCH v1 01/16] virtio: Validate queue pfn for 32bit transports Date: Wed, 10 Jan 2018 11:25:42 +0000 Message-ID: <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> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: Suzuki Poulose , arm-mail-list , kvm-devel , "kvmarm@lists.cs.columbia.edu" , Christoffer Dall , Marc Zyngier , lkml - Kernel Mailing List , Kristina Martsenko , Paolo Bonzini , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Will Deacon , Ard Biesheuvel , Mark Rutland , Catalin Marinas , Jason Wang , Christoffer Dall To: Peter Maydell , "Michael S. Tsirkin" Return-path: In-Reply-To: Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.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