Re: [RFC] Small PCI core patch

[Robert Hancock]

Jeff Garzik wrote:
> One sticking point is validation:  ensuring userspace cannot cause
> invalid GPU microcode to be generated.  [I can just hear Al Viro
> swearing, just thinking about creating secure compilers...]

I suspect the amount of data going through is large enough that this 
wouldn't really be practical. I think you'd have to deal with the code 
generating GPU instructions having to be trusted and have the device 
interface require root privileges..

--
Robert Hancock      Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/

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