Messages in this thread | | | Date | Fri, 13 Sep 2013 13:26:54 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH 15/16] bootparam: Pass acpi_rsdp pointer in bootparam |
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On Fri, Sep 13, 2013 at 03:12:40PM +0800, Dave Young wrote: > Also the fw_vendor, runtime, tables elements will be fixed up to use > virtual address after 1st kernel call SetVirtualAddress, so even with > 1:1 mapping we still need save them and use in kexec kernel.
As I said a couple of times already, 1:1 mapping is a no go.
Concerning the runtime services, we need to pass the UEFI memory map to the kexec'ed kernel because it needs to know those to start mapping them from -4G virtual downwards.
-- Regards/Gruss, Boris.
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