Randy Dunlap <rdun...@infradead.org> wrote:

> > +     drivers from functioning because allowing manual configuration of
> > +     hardware parameters is forbidden, lest a device be used to access the
> > +     kernel by DMA.  This mostly applies to ISA devices.
>       Is DMA from non-ISA devices OK, or did I miss seeing that patch?

The issue is where you can directly command a device to do DMA, possibly by
using the wrong driver.  Ask Alan Cox.


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