l4linux build failure, and a few questions

Ryan Brown ribrdb at gmail.com
Fri Jun 22 16:19:32 CEST 2012

I tried building l4linux for x86 and got this error:

  MODPOST vmlinux.o
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
drivers/built-in.o: In function `pnp_register_irq_resource':
/home/ribrdb/fiasco/src/l4linux/drivers/pnp/resource.c:70: undefined
reference to `pcibios_penalize_isa_irq'
make[1]: *** [.tmp_vmlinux1] Error 1
make: *** [sub-make] Error 2

Has anyone seen this before?

Also I had a few questions about configuring l4linux:

I see that the paravirtualization options are not supported. Is there a
specific reason for this? I'd like to be able to use virtio devices from
l4linux when running in a VM.

Neither x86_64 or highmem is supported. Is there any way to run an l4 linux
with more than 1G of memory?
Can 32 bit l4linux run on a 64 bit fiasco kernel?
Does 32 bit fiasco support more than 1G of physical memory?
What would be involved if I wanted to port l4linux to x86_64?

Thanks, and sorry for so many questions.

Ryan Brown
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