Re: [Dri-devel] DRM Questions (mga)

[Dan Maas]

> Why is it not
> possible to do the same thing in XFree86 because it runs as root?

AFAIK the problem is that most 3D cards do not have any notion of access
protection when they are doing DMA. So a malicious user could submit a
command that causes the card to read or write memory belonging to other
users or the kernel...

Dan


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