On Fri, May 19, 2023 at 02:14:34AM +0300, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > Hookup TDX-specific code to accept memory. > > Accepting the memory is the same process as converting memory from > shared to private: kernel notifies VMM with MAP_GPA hypercall and then > accept pages with ACCEPT_PAGE module call. > > THE implementation in core kernel uses tdx_enc_status_changed(). It > already used for converting memory to shared and back for I/O > transactions. Because unaccepted memory reported in e820 means private[1], MAP_GPA isn't needed to accept memory. (Or are you seeing TDX KVM/qemu issue?) [1]TDX Virtual Firmware Design Guide. 7.2.1 Memroy Type in TD Resrouce HOB. Table 7-1: Mmeory Typein TD Resource HOB. -- Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
