AMD Zen 4's Automatic IBRS Feature Queued Ahead Of Linux 6.3

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AMD Zen 4's Automatic IBRS Feature Queued Ahead Of Linux 6.3

18 January 2023, 08:00 AM

Phoronix: AMD Zen 4's Automatic IBRS Feature Queued Ahead Of Linux 6.3

With AMD Zen 4 processors there is a new Automatic IBRS (Indirect Branch Restricted Speculation) similar to Intel's Enhanced IBRS (eIBRS) functionality for offering lower-overhead Spectre V2 mitigations compared to the Retpoline approach used on Zen 3 and prior. Finally with Linux 6.3 that Auto IBRS support is now set to be merged...

AMD Zen 4's Automatic IBRS Feature Queued Ahead Of Linux 6.3 - Phoronix

https://www.phoronix.com/news/AMD-Zen-4-Auto-IBRS-Linux-6.3

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