On 12/12/2012 05:38 AM, Borislav Petkov wrote:
We completely lost level3_ident_pgt, causing:
arch/x86/built-in.o: In function `setup_real_mode':
/home/boris/kernel/linux-2.6/arch/x86/realmode/init.c:81: undefined reference
to `level3_ident_pgt'
make: *** [vmlinux] Error 1
You still need that NEXT_PAGE(level1_fixmap_pgt) thing:
arch/x86/kernel/head_64.o: In function `level2_fixmap_pgt':
(.data+0x2fd0): undefined reference to `level1_fixmap_pgt'
Yes, I said it wasn't a complete patch. There are bits missing, and
some of them need restructuring. The ident page table in the trampoline
should be handled by mirroring the kernel ident page tables instead, for
example -- right now that is completely broken if the kernel lives above
the 512 GiB mark.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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