On Sun, Dec 14, 2025 at 11:22:43AM +0000, Yeoreum Yun wrote: > Since Armv9.6, FEAT_LSUI supplies the load/store instructions for > previleged level to access to access user memory without clearing > PSTATE.PAN bit. > It's enough to add CONFIG_AS_HAS_LSUI only because the code for LSUI uses > individual `.arch_extension` entries. > > Signed-off-by: Yeoreum Yun <[email protected]> > Reviewed-by: Catalin Marinas <[email protected]> > --- > arch/arm64/Kconfig | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 93173f0a09c7..36e87a1a1b5c 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -2227,6 +2227,11 @@ config ARM64_GCS > > endmenu # "ARMv9.4 architectural features" > > +config AS_HAS_LSUI > + def_bool $(as-instr,.arch_extension lsui) > + help > + Supported by LLVM 20+ and binutils 2.45+.
This is an internal Kconfig variable so please drop the help text. Will

