[linux-fbdev] Re: vm86 in kernel [was: vesafb...]

[Alan Cox]

> Obviously you misread. Jeff Garzik's proposal was to get rid of the
> separate dev/vesafb device and do the communication via /dev/fb ioctl
> interface. Supposedly all the people in the video group are "trusted" but
> that nevertheless opens a whole new can of worms.

You would have to sanitize the mode change requests and be sure you trust
the bios on that card. If you can trust the bios then I think he has a fair
point, if not then its trickier. You could do an suid() check anyway since
LRMI only works as root

Alan


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