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Intel Improving NMI Source Reporting On Linux With FRED

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  • Intel Improving NMI Source Reporting On Linux With FRED

    Phoronix: Intel Improving NMI Source Reporting On Linux With FRED

    As part of Intel's Flexible Return Event Delivery (FRED), Intel open-source software engineers are now working on improving Non-Maskable Interrupt (NMI) source reporting for the Linux kernel...

    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite

  • #2
    The NMI should have died decades ago. I can't believe it still exists in x64.

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    • #3
      So far I haven't seen any public confirmation of which Intel CPU generation will begin seeing FRED.
      According to Intel's "extensions programming reference" guide version 052, FRED will appear with Panther Lake (client platform, 2025, 18A) and Clearwater Forest (server platform, 2025, 18A). However, that's just the plan. Earlier versions of that document said that RA0-INT would be in "Grand Ridge", but version 050 in October changed that to just "Future processors".
      Last edited by colejohnson66; 30 May 2024, 07:28 AM.

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