PSW_MASK_RI
frame->childregs.psw.mask &= ~PSW_MASK_RI;
tmp &= PSW_MASK_USER | PSW_MASK_RI;
mask |= is_ri_task(child) ? PSW_MASK_RI : 0;
regs->psw.mask &= ~PSW_MASK_RI;
(regs->psw.mask & (PSW_MASK_USER | PSW_MASK_RI));
if (!is_ri_task(current) && (user_sregs.regs.psw.mask & PSW_MASK_RI))
regs->psw.mask = (regs->psw.mask & ~(PSW_MASK_USER | PSW_MASK_RI)) |
(user_sregs.regs.psw.mask & (PSW_MASK_USER | PSW_MASK_RI));
vcpu->arch.sie_block->gpsw.mask &= ~PSW_MASK_RI;