Forgot to set 'To:' correctly. On Mon, Jan 27, 2020 at 03:28:36PM +0100, Roger Pau Monné wrote: > On Mon, Jan 27, 2020 at 12:27:18PM +0000, Wei Liu wrote: > > Cc Roger > > Thanks :). > > > On Sun, Jan 19, 2020 at 11:30:42PM -0800, Roman Shaposhnik wrote: > > > Hi! > > > > > > I've just tried this with Xen 4.13.0 and it seems like that is still > > > not supported. > > No, there hasn't been much progress on this sadly. > > > > This makes me curious if anybody is working on this and whether > > > there's anything we can do to help accelerate the effort. > > The first step would be to get vPCI hooked into the ioreq machinery, > so that a domain can have devices on the emulated PCI bus handled by > vPCI while others are handled by external ioreq emulators. I've posted > a v3 of this work on September: > > https://lists.xenproject.org/archives/html/xen-devel/2019-09/msg03278.html > > But I haven't got time to go over the comments and post a new version. > > Once that's done the remaining step would be to make vPCI safe for > unprivileged guests. We need to assure that guests can only write to > specific bits of the config space, and need to limit the capabilities > that are exposed to the ones Xen knows to be safe to handle. This can > be worked by multiple people concurrently IMO, but requires step 1 > (integration with ioreq) to be finished first. > > I'm more than happy for someone to pick any of those tasks, including > the integration of vPCI with the ioreq machinery. If not, I expect I > will be able to do some work on this in a couple of weeks, but that > depends on nothing else getting on fire, and me being able to flush my > queue of pending patches. > > Would you be up to pick some of these tasks? > > I can try to speedup the vPCI ioreq integration if there's people > willing to work on the remaining steps, I haven't done so because I > didn't see much interest in general, and I was expecting to be the > only one working on the remaining steps anyway. > > Regards, Roger. > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-devel
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