Mark McLoughlin wrote:
@@ -371,6 +372,9 @@ void __init dmi_scan_machine(void)
}
}
else {
+ if (e820_all_mapped(0xF0000, 0xF0000+0x10000, E820_RAM))
+ goto out;
One issue with using the e820 map for this is that a Xen Dom0 will also
have this region marked as RAM in the e820 map, but will set up a fixmap
for it, allowing dmi_scan_machine() to map the region.
Would it be easier to just fake up a mapping so that window points to
the real dmi area, and mark E820 accordingly?
J
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