'retbleed', # See retbleed_parse_cmdline() in arch/x86/kernel/cpu/bugs.c
'rodata', # See set_debug_rodata() in init/main.c
'ssbd', # See parse_spectre_v4_param() in arch/arm64/kernel/proton-pack.c
+ 'slub_debug', # See setup_slub_debug() in mm/slub.c
'tsx' # See tsx_init() in arch/x86/kernel/cpu/tsx.c
]