RFR: 8329031: CPUID feature detection for Advanced Performance Extensions (Intel® APX)

[Jatin Bhateja]

On Mon, 1 Apr 2024 12:01:27 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> Summary of changes include with the patch:-
> 
> 1) CPUID based feature detection check for Intel APX extension (https://www.intel.com/content/www/us/en/developer/articles/technical/advanced-performance-extensions-apx.html)
> 2) Validation during VM initialization for extended GPRs state save / restoration by OS across context switches of java application threads executing JIT compiled code with new APX ISA.
> 
> Kindly review and share your feedback.
> 
> Best Regards,
> Jatin

Hi @vnkozlov , Please let us know if its good to land in 23.

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PR Comment: https://git.openjdk.org/jdk/pull/18562#issuecomment-2153258321