Re: IOTLB support for vhost/vsock breaks crosvm on Android

From: Will Deacon
Date: Wed Aug 17 2022 - 09:48:36 EST


On Mon, Aug 08, 2022 at 08:45:48AM -0400, Michael S. Tsirkin wrote:
> > > Also yes, I think it's a good idea to change crosvm anyway. While the
> > > work around I describe might make sense upstream I don't think it's a
> > > reasonable thing to do in stable kernels.
> > > I think I'll prepare a patch documenting the legal vhost features
> > > as a 1st step even though crosvm is rust so it's not importing
> > > the header directly, right?
> >
> > Documentation is a good idea regardless, so thanks for that. Even though
> > crosvm has its own bindings for the vhost ioctl()s, the documentation
> > can be reference or duplicated once it's available in the kernel headers.
> >
> So for crosvm change, I will post the documentation change and
> you guys can discuss?

FYI, the crosvm patch is merged here:

https://github.com/google/crosvm/commit/4e7d00be2e135b0a2d964320ea4276e5d896f426

Will