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- Add `RISCV_HWPROBE_EXT_ZICBOP` to report the presence of the Zicbop extension. - Add `RISCV_HWPROBE_KEY_ZICBOP_BLOCK_SIZE` to expose the block size (in bytes) when Zicbop is supported. - Update hwprobe.rst to document the new extension bit and block size key, following the existing Zicbom/Zicboz style. Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Yao Zihong <zihong.plct@isrc.iscas.ac.cn> Link: https://patch.msgid.link/20251118162436.15485-2-zihong.plct@isrc.iscas.ac.cn [pjw@kernel.org: updated to apply] Signed-off-by: Paul Walmsley <pjw@kernel.org>