[PATCH v1 0/2] riscv: hwprobe: add Zicbop support

Yao Zihong zihong.plct at isrc.iscas.ac.cn
Thu Sep 11 05:12:07 PDT 2025


Add UAPI and kernel plumbing to expose the Zicbop extension presence
and its block size through sys_hwprobe(). The interface mirrors
Zicbom/Zicboz. This allows userspace to safely discover and optimize
for Zicbop when available.

Yao Zihong (2):
  uapi: riscv: hwprobe: add Zicbop extension bit and block-size key
  riscv: hwprobe: report Zicbop presence and block size

 arch/riscv/include/uapi/asm/hwprobe.h | 2 ++
 arch/riscv/kernel/sys_hwprobe.c       | 6 ++++++
 2 files changed, 8 insertions(+)

-- 
2.47.2




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