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Tsirkin" Subject: Re: [PATCH v3 0/6] Add virtio-iommu built-in topology Message-ID: <20200827080125.GC3399702@myrica> References: <20200821131540.2801801-1-jean-philippe@linaro.org> <20200826092542-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200826092542-mutt-send-email-mst@kernel.org> Cc: virtio-dev@lists.oasis-open.org, kevin.tian@intel.com, linux-pci@vger.kernel.org, jasowang@redhat.com, virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, sebastien.boeuf@intel.com, bhelgaas@google.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Aug 26, 2020 at 09:26:02AM -0400, Michael S. Tsirkin wrote: > On Fri, Aug 21, 2020 at 03:15:34PM +0200, Jean-Philippe Brucker wrote: > > Add a topology description to the virtio-iommu driver and enable x86 > > platforms. > > > > Since [v2] we have made some progress on adding ACPI support for > > virtio-iommu, which is the preferred boot method on x86. It will be a > > new vendor-agnostic table describing para-virtual topologies in a > > minimal format. However some platforms don't use either ACPI or DT for > > booting (for example microvm), and will need the alternative topology > > description method proposed here. In addition, since the process to get > > a new ACPI table will take a long time, this provides a boot method even > > to ACPI-based platforms, if only temporarily for testing and > > development. > > OK should I park this in next now? Seems appropriate ... Yes that sounds like a good idea. It could uncover new bugs since there is more automated testing happening for x86. Thanks, Jean _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu