RFR: 8367137: RISC-V: Detect Zicboz block size via hwprobe [v3]

[Dingli Zhang]

On Tue, 9 Sep 2025 14:58:25 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> Dingli Zhang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix some assert
>
> I checked with kernel/cpu guy, apperently "cache blocks size" is instruction dependent in cmo spec.
> It have nothing todo with cache line size. (in theory, but in practice to implement these in a high performance way they do)
> So you could have zic64b, with cboz size of 32 and zicbom size of 128.

Hi @robehn @RealFYang Thanks for the review!
Could you please take a look at it again? Thanks in advance.

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PR Comment: https://git.openjdk.org/jdk/pull/27155#issuecomment-3272932893