That's why we'd need the kernel police to enforce the rules, if there 
were kernel rules that everyone would agree on.

On 03/16/2016 02:36 PM, Jerry Scharf wrote:
> The real problem is
> in the kernel and drivers, where you can and often have to lock out
> interrupts. If those are not designed to work correctly and cooperatively,
> things stop being RT. When the person writing the graphics card driver is
> told to get as much performance as they can, they often stop thinking about
> how polite they are to other time critical things. They have almost no
> incentive to be careful and lots of incentive to do what makes things go
> the fastest.


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