Messages in this thread | ![/](/images/icornerl.gif) | | From | (S. Lee) | Subject | Re: Another backdoor to secure mode | Date | 29 Jul 1996 05:42:10 GMT |
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[IOPL] >>The problem is: X windows needs these calls, so if you forbid them in >>secure mode then bye bye X.
Is there any technical reason why we can't have the full 8k I/O permission bitmap? Can't we allocate them only when the process first calls ioperm() and saves the 2k for each process instead?
Stephen
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