[jdk17u-dev] RFR: 8309258: RISC-V: Add riscv_hwprobe syscall [v3]

[Robbin Ehn]

On Wed, 8 Nov 2023 08:09:34 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> Hi, please consider.
>> 
>> 
>> RISC-V has many extensions and it's not feasible to set them correctly on the command line for users.
>> There is no instruction to get the cpu, such as cpuid on x86.
>> 
>> 
>> Still running tests, it will take a while.
>
> Robbin Ehn has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Backport 311c7461c8c0f5f1524d409736e4cceca8de9000
>  - Backport 876a725af95d65d59390c86bfec64c33cccbf53b

I found no issue in testing, I'm integrating and starting a PR for the last back port for this.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1942#issuecomment-1805340088