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Last modification

• Rev 2784 – 6074 d 5 h
• Author: jermar

• Log message:

  Fortify ia32 and amd64 kernels against mallicious uspace applications that set
  DF prior to entering the kernel. For AMD64 syscalls, we don't use the CLD
  instruction, but make use of the SFMASK MSR instead. Simics works fine with
  it, but QEMU seems to have a problem.