On Tue, Jul 14, 2020 at 02:08:17PM +0200, Joerg Roedel wrote: > From: Joerg Roedel <jroedel@xxxxxxx> > > When booted through startup_64 the kernel keeps running on the EFI > page-table until the KASLR code sets up its own page-table. Without > KASLR the pre-decompression boot code never switches off the EFI > page-table. Change that by unconditionally switching to a kernel > controlled page-table after relocation. > > This makes sure we can make changes to the mapping when necessary, for > example map pages unencrypted in SEV and SEV-ES guests. > > Also remove the debug_putstr() calls in initialize_identity_maps() > because the function now runs before console_init() is called. > > Signed-off-by: Joerg Roedel <jroedel@xxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook