Messages in this thread | | | Date | Thu, 31 Jan 2008 14:05:09 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: introduce /dev/mem restrictions with a config option |
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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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