riscv: hwprobe: Add MIPS vendor extension probing

Add a new hwprobe key "RISCV_HWPROBE_KEY_VENDOR_EXT_MIPS_0" which allows userspace to probe for the new xmipsexectl vendor extension. Signed-off-by: Aleksa Paunovic <aleksa.paunovic@htecgroup.com> Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> Link: https://lore.kernel.org/r/20250724-p8700-pause-v5-4-a6cbbe1c3412@htecgroup.com [pjw@kernel.org: fixed some checkpatch issues] Signed-off-by: Paul Walmsley <pjw@kernel.org>
2026-10-22 19:14:51 +00:00 · 2025-07-24 17:23:28 +02:00 · 2025-07-24 17:23:28 +02:00 · bb4b0f8a1b
commit bb4b0f8a1b
parent 1d4ce63e33
7 changed files with 56 additions and 1 deletions
--- a/arch/riscv/include/asm/hwprobe.h
+++ b/arch/riscv/include/asm/hwprobe.h
--- a/arch/riscv/include/asm/vendor_extensions/mips_hwprobe.h
+++ b/arch/riscv/include/asm/vendor_extensions/mips_hwprobe.h
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
--- a/arch/riscv/include/uapi/asm/vendor/mips.h
+++ b/arch/riscv/include/uapi/asm/vendor/mips.h
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
--- a/arch/riscv/kernel/vendor_extensions/Makefile
+++ b/arch/riscv/kernel/vendor_extensions/Makefile
--- a/arch/riscv/kernel/vendor_extensions/mips_hwprobe.c
+++ b/arch/riscv/kernel/vendor_extensions/mips_hwprobe.c