RFR: 8295282: Use Zicboz/cbo.zero to zero-out memory on RISC-V [v11]

[Ludovic Henry]

On Mon, 24 Oct 2022 12:08:53 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> @RealFYang I've done the change as you requested.
>
> Thanks for the update. Looks like DEFAULT_CACHE_LINE_SIZE is not defined anywhere? Looks good, otherwise.

It's defined in `src/hotspot/share/utilities/globalDefinitions.hpp` but let me add it in `src/hotspot/cpu/riscv/globalDefinitions_riscv.hpp` just to make sure.

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PR: https://git.openjdk.org/jdk/pull/10718