[patch 1/5] Staging: VME Framework for the Linux Kernel

Emilio G. Cota cota at braap.org
Wed Aug 12 09:54:36 UTC 2009


Martyn Welch wrote:
> There is a further device situated between the two.
> > How do you now protect the registers of this device from
> > > accidental/malicous/buggy behaviour from your board, since
> this region of the VME bus is now enabled for transfers
> in the PCI IO Mem space?

The kernel is not designed to work with buggy hardware--that
would be insane, we've got more than enough dealing with our
own bugs. However when there's no other solution (e.g.
hardware can't be fixed for whatever reason), fixes on a
per-case basis may be applied.

E.



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