Re: [RFC] Simple userspace interface for PCI drivers

[Chris Friesen]

Lee Revell wrote:

> Why?  There's no technical or legal requirement for userspace drivers to
> be GPLed.

I could see a benefit to tainting the kernel once userspace starts 
poking at the hardware directly.  That way at least we'd know that a 
crash might be due to userspace doing bad things.

For instance, consider the case where userspace misprograms a DMA 
engine, which starts overwriting random kernel memory.

Chris
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