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Intel LAM Will Try Again For Linux 6.4

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  • #1

    Intel LAM Will Try Again For Linux 6.4

    Phoronix: Intel LAM Will Try Again For Linux 6.4

    Intel's Linear Address Masking (LAM) functionality to make use of untranslated address bits of 64-bit linear addresses for arbitrary metadata is aiming to be mainlined with the upcoming Linux 6.4 cycle...

    Intel LAM Will Try Again For Linux 6.4 - Phoronix
    https://www.phoronix.com/news/Intel-LAM-Trying-For-Linux-6.4
    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
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  • #2
    Innovative? Developers used this technique during the 68000 days, back when it only had 24-bit physical addressing. This led to many problems when the 68020 came out with 32-bit addressing (the processor lacked address masking though).

    Of course this won't be too much of a problem nowadays unless we start requiring 64-bit addressing (and processors with the capability arrive)...

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    • #3
      Typo:

      Originally posted by phoronix View Post
      more efficient address santizer (ASAN)
      Originally posted by phoronix View Post
      Torvalds also isn't fond of the "LAM" acroynmn

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