[jdk17u-dev] RFR: 8315195: RISC-V: Update hwprobe query for new extensions

[Robbin Ehn]

On Tue, 14 Nov 2023 18:05:32 GMT, Stewart X Addison <duke at openjdk.org> wrote:

> I presume this is ok for the detection on C910/C920 systems that have RVV 0.7 (i.e. it won't detect those as having V!)

Yes, RISCV_HWPROBE_IMA_V from hwprobe is v1.

Kernel docs:

RISCV_HWPROBE_IMA_V`: The V extension is supported, as defined by version 1.0 of the RISC-V Vector extension manual.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1957#issuecomment-1811117620