AMD Secure TSC Support Might Finally Be Ready For Landing In The Linux Kernel

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  • phoronix
    Administrator
    • Jan 2007
    • 67050
    #1

    AMD Secure TSC Support Might Finally Be Ready For Landing In The Linux Kernel

    Phoronix: AMD Secure TSC Support Might Finally Be Ready For Landing In The Linux Kernel

    Going back to January 2023 were patches for enabling Secure TSC support for use by SEV-SNP guests with AMD EPYC 7003 "Milan" and newer processors... Two years later and after sixteen rounds of revising the Linux kernel patches, it looks like the AMD Secure TSC support is finally ready for landing in the mainline Linux kernel...

    AMD Secure TSC Support Might Finally Be Ready For Landing In The Linux Kernel - Phoronix
    https://www.phoronix.com/news/AMD-Secure-TSC-Queued-Linux
    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
    Tags: None
  • JEBjames
    Senior Member
    • Jan 2018
    • 365
    #2
    Michael

    Typo

    "RDTSC/RDTSCP parameters have the guest is launched." should be "after"

    Comment

    • aviallon
      Senior Member
      • Dec 2022
      • 273
      #3
      I wonder what the performance of their system will be.

      Comment

      • erniv2
        Senior Member
        • Apr 2022
        • 264
        #4
        Originally posted by aviallon View Post
        I wonder what the performance of their system will be.
        Should i be the evil predictor and say.

        Patch for 6.15 revert secure tsc, due to high latency from the Amd PSP we expirence latency > 100ms, we also have bug reports about failing USB devices due to timeouts revert this until we find a fix

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