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

Martyn Welch
2009-08-12T09:58:29Z

Emilio G. Cota wrote:
> 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.
>
>
Apart from : not mapping regions of the VME bus that you are not using.

Martyn

> E.
>

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