Messages in this thread | | | Date | Wed, 12 Nov 2008 15:35:49 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] Always use 64 bit addresses for the firmware memory map |
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Bernhard Walle wrote: > * H. Peter Anvin [2008-11-12 11:59]: >> I want to make sure, though, that we don't just end up pushing the >> truncation further down in the code. > > Well, I think that interface should export the BIOS memmap as provided. > Since E820 does provide 64 bit addresses, that should get exported. > > It should even possible to kexec a PAE kernel from a non PAE kernel ... > I didn't test, but it could work. But only if the E820 map is correctly > written in the zero page, which is only the case if we get it correctly. >
That's fine, but we do have to check that we don't truncate elsewhere.
-hpa
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