Messages in this thread | | | Date | Thu, 31 Aug 2006 14:53:58 -0600 | From | "Chris Friesen" <> | Subject | Re: [RFC] Simple userspace interface for PCI drivers |
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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.
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