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AMD Zen 4 LbrExtV2 Feature Queued Ahead Of Linux 6.1

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  • AMD Zen 4 LbrExtV2 Feature Queued Ahead Of Linux 6.1

    Phoronix: AMD Zen 4 LbrExtV2 Feature Queued Ahead Of Linux 6.1

    Earlier this month AMD posted Linux kernel patches preparing LbrExtV2 as updated Last Branch Record functionality being introduced with upcoming AMD Zen 4 processors. That LbrExtV2 support for the Linux kernel's "perf" subsystem has now been queued up in its respective branch ahead of the Linux 6.1 feature merge window beginning in early October...

    https://www.phoronix.com/news/AMD-Ze...2-Linux-Queued

  • #2
    Last Branch Record is used for determining/analyzing the control flow of software by logging branch information to registers in real-time.
    This CPU exploit is based on following how Last Branch Record determines the control flow of software by logging branch information to registers in real-time.

    What is BrokenBranch?

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