Lines Matching full:safe
58 * 'Vulnerable: Safe RET, no microcode':
60 The "Safe RET" mitigation (see below) has been applied to protect the
64 * 'Vulnerable: Microcode, no safe RET':
85 * 'Mitigation: Safe RET':
91 Selected by default or by spec_rstack_overflow=safe-ret
95 Similar protection as "safe RET" above but employs an IBPB barrier on
123 default one is 'Mitigation: safe RET' which should take care of most
132 As one can surmise, 'Mitigation: safe RET' does come at the cost of some
142 Mitigation: Safe RET
148 the CPU to mispredict every function return using a 'safe return'
152 safe return sequence is itself free from attacker interference. In Zen3
154 untraining function srso_alias_untrain_ret() and the safe return
156 poisoned BTB entry and using that safe one for all function returns.