On Tue, Dec 11, 2012 at 10:57:03PM -0800, H. Peter Anvin wrote: > @@ -372,46 +394,21 @@ ENTRY(name) > i = i + 1 ; \ > .endr > > - .data > - /* > - * This default setting generates an ident mapping at address 0x100000 > - * and a mapping for the kernel that precisely maps virtual address > - * 0xffffffff80000000 to physical address 0x000000. (always using > - * 2Mbyte large pages provided by PAE mode) > - */ > -NEXT_PAGE(init_level4_pgt) > - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE 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 > - .org init_level4_pgt + L4_PAGE_OFFSET*8, 0 > - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE > - .org init_level4_pgt + L4_START_KERNEL*8, 0 > - /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */ > + __INITDATA > +NEXT_PAGE(early_level4_pgt) > + .fill 511,8,0 > .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE > > -NEXT_PAGE(level3_ident_pgt) > - .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE > - .fill 511,8,0 > +NEXT_PAGE(early_dynamic_pgts) > + .fill 512*EARLY_DYNAMIC_PAGE_TABLES,8,0 > > + .data > NEXT_PAGE(level3_kernel_pgt) > .fill L3_START_KERNEL,8,0 > /* (2^48-(2*1024*1024*1024)-((2^39)*511))/(2^30) = 510 */ > .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE > .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE > > -NEXT_PAGE(level2_fixmap_pgt) > - .fill 506,8,0 > - .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE > - /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */ > - .fill 5,8,0 > - > -NEXT_PAGE(level1_fixmap_pgt) > - .fill 512,8,0 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' -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html