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The 11 Most Interesting Features For Linux 5.11 - Lots For AMD + Intel This Cycle

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  • #1

    The 11 Most Interesting Features For Linux 5.11 - Lots For AMD + Intel This Cycle

    Phoronix: The 11 Most Interesting Features For Linux 5.11 - Lots For AMD + Intel This Cycle

    Linux 5.11 stable is expected to be released on Sunday barring any second thoughts by Linus Torvalds that could lead to an eighth weekly release candidate that would in turn push the official release back by one week. In any case, Linux 5.11 will be formally out soon and it's an exciting one on the feature front...

    The 11 Most Interesting Features For Linux 5.11 - Lots For AMD + Intel This Cycle - Phoronix
    http://www.phoronix.com/scan.php?page=news_item&px=11-Linux-5.11-Features
    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
    - Syscall User Dispatch as important for Wine / Windows gaming on Linux with Steam Play (Proton / Wine). The initial motivation is about intercepting system calls made by some Windows programs under Wine so they can be easily intercepted with low overhead. This stems from some newer Windows games trying to bypass the Windows API in the name of copy protection schemes.
    The next step for these games is to figure out how to bypass the interception of their bypass.
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    • #3
      And the cat and mouse game continues
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      • #4
        Intel Integer Scaling (IS) graphics support most notable for pixel art type games. The Intel Windows driver has supported it for a while but now the Linux driver has finally enabled it after having a user-space user of it (Kodi with its retro gaming support).
        what CPU/IGPU does Linux support with these features?
        support is limited to Icelake "Gen 11" graphics and newer just like windows?

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        • #5
          Originally posted by Aryma View Post

          what CPU/IGPU does Linux support with these features?
          support is limited to Icelake "Gen 11" graphics and newer just like windows?
          For the moment it's icl+. It could actually be implemented pretty trivially for specific older platforms. Namely ilk, snb, and with some caveats also ivb. Could be a nice little project for someone... Sadly hsw/bdw/skl+ lack the necessary hardware.
          The main problem with this stuff is IMO the lack of sensible userspace support. Unless we're talking about a living room entertainment machine not sure anyone is willing to use kodi as their main ui.

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          • #6
            Originally posted by cl333r View Post
            The next step for these games is to figure out how to bypass the interception of their bypass.
            Send a Linux syscall interrupt for write(), then check the return value.
            Fails on Windows (subsequently use the crash handler to initialize the game for real).
            Returns 1 on Linux, and detects we are running on Linux. Shut the game down.

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