spectre_v2_user_mitigation 584 arch/x86/kernel/cpu/bugs.c static enum spectre_v2_user_mitigation spectre_v2_user_stibp __ro_after_init = spectre_v2_user_mitigation 586 arch/x86/kernel/cpu/bugs.c static enum spectre_v2_user_mitigation spectre_v2_user_ibpb __ro_after_init = spectre_v2_user_mitigation 700 arch/x86/kernel/cpu/bugs.c enum spectre_v2_user_mitigation mode = SPECTRE_V2_USER_NONE;