SPECTRE_V2_NONE 582 arch/x86/kernel/cpu/bugs.c SPECTRE_V2_NONE; SPECTRE_V2_NONE 594 arch/x86/kernel/cpu/bugs.c if (spectre_v2_enabled == SPECTRE_V2_NONE || has_retpoline) SPECTRE_V2_NONE 787 arch/x86/kernel/cpu/bugs.c [SPECTRE_V2_NONE] = "Vulnerable", SPECTRE_V2_NONE 861 arch/x86/kernel/cpu/bugs.c enum spectre_v2_mitigation mode = SPECTRE_V2_NONE;