On Tue, Oct 17, 2023 at 6:15 AM Clément Léger <cleger@xxxxxxxxxxxx> wrote: > > Export the following scalar crypto extensions through hwprobe: > > - Zbkb > - Zbkc > - Zbkx > - Zknd > - Zkne > - Zknh > - Zksed > - Zksh > - Zkt > > Signed-off-by: Clément Léger <cleger@xxxxxxxxxxxx> > --- > Documentation/riscv/hwprobe.rst | 30 +++++++++++++++++++++++++++ > arch/riscv/include/uapi/asm/hwprobe.h | 10 +++++++++ > arch/riscv/kernel/sys_riscv.c | 10 +++++++++ > 3 files changed, 50 insertions(+) > > diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst > index a52996b22f75..968895562d42 100644 > --- a/Documentation/riscv/hwprobe.rst > +++ b/Documentation/riscv/hwprobe.rst > @@ -77,6 +77,36 @@ The following keys are defined: > * :c:macro:`RISCV_HWPROBE_EXT_ZBS`: The Zbs extension is supported, as defined > in version 1.0 of the Bit-Manipulation ISA extensions. > > + * :c:macro:`RISCV_HWPROBE_EXT_ZBC` The Zbc extension is supported, as defined > + in version 1.0 of the Scalar Crypto ISA extensions. At least in my v1.0.1 version of the crypto scalar spec, I don't see Zbc. That seems to be defined in the bit manipulation extensions.