[riscv-port-jdk11u:riscv-port] RFR: 8276799: Implementation of JEP 422: Linux/RISC-V Port [v4]

[Fei Yang]

On Wed, 20 Sep 2023 12:09:39 GMT, kuaiwei <duke at openjdk.org> wrote:

> > > It looks https://bugs.openjdk.org/browse/JDK-8247533 can fix the Clhsdb test error
> > 
> > 
> > Better to backport this fix in jdk11u-dev upstream if it really resolves this error. Then we can merge master and bring it to our riscv-port-jdk11u repo.
> 
> I may revert the change. Because I find the root cause of Clhsdb test failure is ptrace function is not fully supported in linux riscv. For example, PTRACE_GETREGS. We cat set kernel parameter "sysctl -w kernel.yama.ptrace_scope=1" to pass these tests.

@kuaiwei : I think the correct way to fix those Clhsdb test failure is to backport fix for https://bugs.openjdk.org/browse/JDK-8307955. I see they are passing with the following backport patch: 
[8307955-11u-backport.diff.txt](https://github.com/openjdk/riscv-port-jdk11u/files/14239024/8307955-11u-backport.diff.txt)

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PR Comment: https://git.openjdk.org/riscv-port-jdk11u/pull/3#issuecomment-1938694434