[PATCH v2 0/6] riscv: hwprobe: add Zicond, Zacas and Ztso support

From: Clément Léger
Date: Wed Dec 20 2023 - 10:58:00 EST


This series add support for a few more extensions that are present in
the RVA22U64/RVA23U64 (either mandatory or optional) and that are useful
for userspace:
- Zicond
- Zacas
- Ztso

Series currently based on riscv/for-next.

---

Changes in V2:
- Removed Zam which is not yet ratified
- Link to v1: https://lore.kernel.org/linux-riscv/20231213113308.133176-1-cleger@xxxxxxxxxxxx/

Clément Léger (6):
riscv: add ISA extension parsing for Ztso
riscv: hwprobe: export Ztso ISA extension
dt-bindings: riscv: add Zacas ISA extension description
riscv: add ISA extension parsing for Zacas
riscv: hwprobe: export Zacas ISA extension
riscv: hwprobe: export Zicond extension

Documentation/arch/riscv/hwprobe.rst | 13 +++++++++++++
.../devicetree/bindings/riscv/extensions.yaml | 6 ++++++
arch/riscv/include/asm/hwcap.h | 2 ++
arch/riscv/include/uapi/asm/hwprobe.h | 3 +++
arch/riscv/kernel/cpufeature.c | 2 ++
arch/riscv/kernel/sys_riscv.c | 3 +++
6 files changed, 29 insertions(+)

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2.43.0