Hi-- On 2/6/24 10:54, Andrea della Porta wrote: > Introducing the field 'el0' to the idreg-override for register > ID_AA64PFR0_EL1. This field is also aliased to the new kernel > command line option 'arm64.no32bit_el0' as a more recognizable > and mnemonic name to disable the execution of 32 bit userspace > applications (i.e. avoid Aarch32 execution state in EL0) from > kernel command line. > > Link: https://lore.kernel.org/r/ZVTleETzfFUchs77@apocalypse > Signed-off-by: Andrea della Porta <andrea.porta@xxxxxxxx> > --- > Documentation/admin-guide/kernel-parameters.txt | 3 +++ > arch/arm64/kernel/idreg-override.c | 2 ++ > 2 files changed, 5 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index 65731b060e3f..9f962deeef5a 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -433,6 +433,9 @@ > arm64.nosve [ARM64] Unconditionally disable Scalable Vector > Extension support > > + arm64.no32bit_el0 [ARM64] Unconditionally disable the execution of > + 32 bit applications > + That new entry is not in alphabetical order like it should be. > ataflop= [HW,M68k] > > atarimouse= [HW,MOUSE] Atari Mouse -- #Randy