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Message-ID: <20231026024931-mutt-send-email-mst@kernel.org> Date: Thu, 26 Oct 2023 02:49:44 -0400 From: "Michael S. Tsirkin" <mst@...hat.com> To: Cindy Lu <lulu@...hat.com> Cc: jasowang@...hat.com, yi.l.liu@...el.com, jgg@...dia.com, linux-kernel@...r.kernel.org, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org Subject: Re: [RFC 0/7] vdpa: Add support for iommufd On Thu, Oct 26, 2023 at 02:48:07PM +0800, Cindy Lu wrote: > On Thu, Oct 26, 2023 at 2:42 PM Michael S. Tsirkin <mst@...hat.com> wrote: > > > > On Sun, Sep 24, 2023 at 01:05:33AM +0800, Cindy Lu wrote: > > > Hi All > > > Really apologize for the delay, this is the draft RFC for > > > iommufd support for vdpa, This code provides the basic function > > > for iommufd support > > > > > > The code was tested and passed in device vdpa_sim_net > > > The qemu code is > > > https://gitlab.com/lulu6/gitlabqemutmp/-/tree/iommufdRFC > > > The kernel code is > > > https://gitlab.com/lulu6/vhost/-/tree/iommufdRFC > > > > > > ToDo > > > 1. this code is out of date and needs to clean and rebase on the latest code > > > 2. this code has some workaround, I Skip the check for > > > iommu_group and CACHE_COHERENCY, also some misc issues like need to add > > > mutex for iommfd operations > > > 3. only test in emulated device, other modes not tested yet > > > > > > After addressed these problems I will send out a new version for RFC. I will > > > provide the code in 3 weeks > > > > What's the status here? > > > Hi Michael > The code is finished, but I found some bug after adding the support for ASID, > will post the new version after this bug is fixed, should be next week > Thanks > Cindy We'll miss this merge window then. > > -- > > MST > >
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