On Wed, Jan 24, 2024 at 09:30:35AM -0800, Sean Christopherson wrote: > On Mon, Jan 22, 2024, Michael Roth wrote: > > On Tue, Jan 16, 2024 at 05:06:44PM -0800, Sean Christopherson wrote: > > > Tomorrow's PUCK topic is utilizing KVM's TDP MMU for IOMMU page tables. > > > > > > FYI, I am currently without my normal internet (hooray tethering), and we're > > > supposed to get a healthy dose of freezing rain tonight, i.e. I might lose power > > > too. I expect to be able to join even if that happens, but I apologize in > > > advance if I end up being a no-show. > > > > > > https://lore.kernel.org/all/20231202091211.13376-1-yan.y.zhao@xxxxxxxxx > > > > > > Time: 6am PDT > > > Video: https://meet.google.com/vdb-aeqo-knk > > > Phone: https://tel.meet/vdb-aeqo-knk?pin=3003112178656 > > > > > > Calendar: https://calendar.google.com/calendar/u/0?cid=Y182MWE1YjFmNjQ0NzM5YmY1YmVkN2U1ZWE1ZmMzNjY5Y2UzMmEyNTQ0YzVkYjFjN2M4OTE3MDJjYTUwOTBjN2Q1QGdyb3VwLmNhbGVuZGFyLmdvb2dsZS5jb20 > > > Drive: https://drive.google.com/drive/folders/1aTqCrvTsQI9T4qLhhLs_l986SngGlhPH?resourcekey=0-FDy0ykM3RerZedI8R-zj4A&usp=drive_link > > > > > > Future Schedule: > > > January 24th - Memtypes for non-coherent DMA > > > January 31st - Available! > > > > Hi Sean, > > > > I'd like to propose the following topic for the next available slot: > > > > "Finalizing internal guest_memfd APIs needed for SNP (TDX?) upstreaming" > > > > There's 2 existing interfaces, gmem_prepare, gmem_invalidate, that are > > needed by the current SNP patches, and there's some additional background > > about the design decisions here: > > > > https://lore.kernel.org/kvm/20231016115028.996656-1-michael.roth@xxxxxxx/ > > > > There's also another gmem interface that you recently proposed for handling > > setting up the initial launch image of SNP guests here that seems like it > > would have a lot of potential overlap with how gmem_prepare is implemented: > > > > https://lore.kernel.org/lkml/ZZ67oJwzAsSvui5U@xxxxxxxxxx/ > > > > I'd like to try to get some clarity on what these should look like in order > > to be considered acceptable for upstreaming of SNP, and potentially any > > considerations that need to be taken into account for other users like > > TDX/pKVM/etc. > > I penciled this in for the 31st, let me know if that works for you. That would be perfect. Thanks! -Mike
