On Mon, Feb 06, 2023 at 11:24:14AM -0800, Dexuan Cui wrote: > GHCI spec for TDX 1.0 says that the MapGPA call may fail with the R10 > error code = TDG.VP.VMCALL_RETRY (1), and the guest must retry this > operation for the pages in the region starting at the GPA specified > in R11. > > When a TDX guest runs on Hyper-V, Hyper-V returns the retry error > when hyperv_init() -> swiotlb_update_mem_attributes() -> > set_memory_decrypted() decrypts up to 1GB of swiotlb bounce buffers. > > Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx> Looks good to me. Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kiryl Shutsemau / Kirill A. Shutemov