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SubjectRe: RFC: banning device driver reserved resources from /dev/mem
> 
> For debug tools that would be almost all drivers, and for distribution
> use that needs to be a runtime selection.

is boottime (read: kernel parameter) ok ?
it would totally make sense to have a kernel boot parameter that
disables all /dev/mem sanity checks.

>
> For the non share-resource-with case what occurs if /dev/mem is active
> when the driver is loaded ?

that's a hard case but probably not the most interesting case; drivers
get loaded early thankfully.
(yes revoke is hard ;( )



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Arjan van de Ven Intel Open Source Technology Centre
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