Messages in this thread | | | Date | Tue, 26 Feb 2008 12:05:27 -0800 | From | Jeremy Fitzhardinge <> | Subject | Re: 2.6.25-rc1 xen pvops regression |
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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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