On Thu, Mar 19, 2020 at 06:53:29PM +0200, Mika Penttilä wrote: > > +SYM_CODE_START(sev_es_iret_user) > > > What makes kernel jump here? Can't see this referenced from anywhere? Sorry, it is just a left-over from a previous version of this patch (which implemented the single-step-over-iret). This label is not used anymore. The jump to it was in swapgs_restore_regs_and_return_to_usermode, after checking the sev_es_in_nmi flag. Regards, Joerg