* 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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