[jdk25u] RFR: 8367137: RISC-V: Detect Zicboz block size via hwprobe

Fri Sep 12 06:20:13 UTC 2025

Hi all,

This pull request contains a backport of commit [5abd1842](https://github.com/openjdk/jdk/commit/5abd18426d64f878ca45f9d36ca270be17a7760f) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Dingli Zhang on 12 Sep 2025 and was reviewed by Fei Yang, Hamlin Li and Robbin Ehn.

Thanks!

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Commit messages:
 - Backport 5abd18426d64f878ca45f9d36ca270be17a7760f

Changes: https://git.openjdk.org/jdk25u/pull/186/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=186&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367137
  Stats: 60 lines in 5 files changed: 10 ins; 0 del; 50 mod
  Patch: https://git.openjdk.org/jdk25u/pull/186.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/186/head:pull/186

PR: https://git.openjdk.org/jdk25u/pull/186