On Fri, Aug 25, 2023 at 10:47:12AM -0700, Sean Christopherson wrote: > > > Filemap vs. xarray > ------------------ > This is the main item that needs attention. I don't want to merge guest_memfd() > without doing this comparison, as not using filemap means we don't need AS_UNMOVABLE. > Arguably we could merge a filemap implementation without AS_UNMOVABLE and just eat > the suboptimal behavior, but not waiting a little while longer to do everything we > can to get this right the first time seems ridiculous after we've been working on > this for literally years. > > Paolo was going to work on an axarray implementation, but AFAIK he hasn't done > anything yet. We (Google) don't have anyone available to work on an xarray > implementation for several weeks (at best), so if anyone has the bandwidth and > desire to take stab at an xarray implementation, please speak up. I can do some experiments in the following weeks on the xarray direction. I'm not quite confident I understood all what Paolo originally wanted to do, so questions may have. Chao
