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https://lwn.net/Articles/678410/ https://lwn.net/Articles/678410/

• pjmlp 5y ago
  Contributed upstream by Oracle after being implemented in Oracle Linux. The point was that most Solaris deployments are SPARC based, thus it is the only UNIX in production with hardware memory tagging at scale. Linux currently needs a SPARC for it, in which case most enterprises will use Oracle Linux anyway. CHERI and MTE Linux mainstream workloads are far from being a common deployment.
  • monocasa 5y ago
    Sparc with ADI is also far from a common deployment; it came out on the M7, and then Oracle cancelled Sparc development upon taping out the M8. And ARM MTE on Linux has millions of deployments in Android.
    • pjmlp 5y ago
      Interesting given that ARM MTE on Android is only becoming a thing on Android 13, so I wonder where are those millions. Besides ask Termux guys how much Linux is Android.
      • monocasa 5y ago
        Linux isn't the user space.