[jdk21u] RFR: 8316859: RISC-V: Disable detection of V through HWCAP

[Stewart X Addison]

On Mon, 25 Sep 2023 13:08:02 GMT, Ludovic Henry <luhenry at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [311c7461](https://github.com/openjdk/jdk/commit/311c7461c8c0f5f1524d409736e4cceca8de9000) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Ludovic Henry on 25 Sep 2023 and was reviewed by Robbin Ehn and Fei Yang.
> 
> Thanks!

As mentioned on the original PR I've applied this patch on top of jdk-21+35 and it successfully prevents the SIGILL in my LicheePi board :-)

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PR Comment: https://git.openjdk.org/jdk21u/pull/203#issuecomment-1734080935