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SubjectRe: [PATCH] x86: introduce /dev/mem restrictions with a config option
Jesse Barnes wrote:
>>> This is more for compatibility with legacy X
>> Legacy X, and non-BAR X memory (originally ISA, of course; now
>> probably more often "stolen system memory").
>
> For legacy memory, we actually have /sys/bus/pci/<busno>/legacy_mem
> (though ia64 may be the only supported platform). It's actually
> required on some arches due to the way this space is allocated across
> the system.

Well, it's certainly not under /sys/bus/pci on x86 systems...

-hpa


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