Re: 2.5.14-dj1: misc.o: undefined reference to `__io_virt_debug'

[Martin J. Bligh]

>> > Compiling misc.c with -O0 gives a better error message:
>> > 
>> > <--  snip  -->
>> > 
>> > ...
>> > ld -m elf_i386 -Ttext 0x100000 -e startup_32 -o bvmlinux head.o misc.o
>> > piggy.o
>> > misc.o: In function `outb_quad':
>> > misc.o(.text+0x289c): undefined reference to `__io_virt_debug'
>> > make[2]: *** [bvmlinux] Error 1
>> > make[2]: Leaving directory
>> > `/home/bunk/linux/kernel-2.5/linux-2.5.14-modular/arch/i386/boot/compressed'
>> 
>> Seems like you're not linking in lib/iodebug.c for some reason.
>> 
>> outb_quad calls readb, which calls __io_virt, which calls __io_virt_debug,
>> which is defined in iodebug.c
> 
> It's in the boot decompression code, before any of that stuff is
> available.  I'm working on a patch.

Is this arch/i386/boot/compressed/misc.c ?
I can't see how it would be doing outb_quad, and even if it was, it
would be totally pointless, as xquad_portio isn't set yet ....

M.