But then I am confused with the word "compat" inNo no, since I meant prot mode, this is not what I need.That's what I meant. Turning off FIXUP_UMIP would leave UMIP on but
I would never need to disable UMIP as to allow the
prot mode apps to do SLDT. Instead it would be good
to have an ability to provide a replacement for the dummy
emulation that is currently being proposed for kernel.
All is needed for this, is just to deliver a SIGSEGV.
turn off the fixup, so you'd get a SIGSEGV indicating #GP (or a vm86