From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 11 Nov 2021 11:26:36 +0100 From: Halil Pasic Subject: Re: [virtio-dev] [PATCH v3] virtio-iommu: Rework the bypass feature Message-ID: <20211111112636.2cd15966.pasic@linux.ibm.com> In-Reply-To: <20211022121219.1133867-1-jean-philippe@linaro.org> References: <20211022121219.1133867-1-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit To: Jean-Philippe Brucker Cc: virtio-dev@lists.oasis-open.org, eric.auger@redhat.com, kevin.tian@intel.com, sebastien.boeuf@intel.com, cohuck@redhat.com, mst@redhat.com, Halil Pasic List-ID: On Fri, 22 Oct 2021 13:12:20 +0100 Jean-Philippe Brucker wrote: > The VIRTIO_IOMMU_F_BYPASS feature is awkward to use and incomplete. > Although it is implemented by QEMU, it is not supported by any driver as > far as I know. Replace it with a new VIRTIO_IOMMU_F_BYPASS_CONFIG > feature. Hi Jean-Philippe! Is somebody working on the implementation of this? I would like to be Cc-ed with the implementation patches if possible. The interaction of s390x and IOMMU is sometimes a little tricky. I would like to make sure nothing breaks for us. :) Regards, Halil