Re: [RFC] Small PCI core patch

Robert Hancock
2005-11-25T04:07:13Z

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..

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Robert Hancock Saskatoon, SK, Canada
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