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* CODE REVIEW: 16461 Introduce sequence to clear Branch History Buffer (BHB)
@ 2024-04-09 19:30 Dan McDonald
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From: Dan McDonald @ 2024-04-09 19:30 UTC (permalink / raw)
  To: illumos-developer

See here:

	https://code.illumos.org/c/illumos-gate/+/3413

This has already been reviewed prior to the embargo lifting today.

This introduces a mitigation against Native Branch History Injection.  The bug report explains it more, and points to Intel documentation and a security research group's page about this.  It's a variant on SPECTREv2.

Thanks,
Dan


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