alt Hacker NewsXNU has this oddity: https://github.com/apple-oss-distributions/xnu/blob/f6217f89...
Redacted from open source XNU, but exists in the closed source version
XNU has this oddity: https://github.com/apple-oss-distributions/xnu/blob/f6217f89...
Redacted from open source XNU, but exists in the closed source version
Is it actually redacted, or just a leftover stub from a feature implemented in silicon instead of software? Isn't the x86 memory order compatibility done at hardware level?