Messages in this thread | | | Date | Sat, 28 Mar 1998 10:15:15 +0000 (GMT) | From | Matthew Kirkwood <> | Subject | Re: GGI Project Unhappy On Linux |
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On Sat, 28 Mar 1998, Marek Habersack wrote:
> > > The current X uses a server wrapper to do the suid root tasks. The > > > server itself isn't suid root. > > > > It's quite possible that I'm missing something, but I seem to recall > > that that was done for security reasons. > > Of course - that's what we say. > > > A process running at ring 0 can still disable interrupts, DMA into > > kernel memory, etc... > > But the Xserver isn't running in the kernel mode.
I may have missed something, but the difference between iopl 3 and "kernel mode" is...?
Matthew.
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