RFR: 8324304: RISC-V: add hw probe flags

Tue Jan 23 13:46:27 UTC 2024

On Tue, 23 Jan 2024 04:25:58 GMT, Fei Yang <fyang at openjdk.org> wrote:

> LGTM. Any test performed? BTW: Seems that probe for option `UseZvkn` could also be added which consists of `Zvkned`, `Zvknhb`, `Zvkb` and `Zvkt`. I see these are also there in https://github.com/torvalds/linux/blob/master/arch/riscv/include/uapi/asm/hwprobe.h.

Yes, I tested `test/hotspot/jtreg/compiler/` via qemu, no failures related to this options are found.
The reason other flags are not added is that we don't have them in jdk yet.

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PR Comment: https://git.openjdk.org/jdk/pull/17519#issuecomment-1906084814