Jeff Garzik wrote:
> VGA and serial are certainly not hammer+ia32-specific.  Make the generic 
> parts generic...   the arch-specific components would need to change 
> early-foo base addresses perhaps, but otherwise, it's pretty generic.

Take 2.

- Move the x86_64 early_printk.c into kernel/
- move some of the basic defines into linux/early_printk.h and
   asm-{i386,x86_64}/early_printk.h
- run the setup in start_kernel() before setup_arch()

arch/i386/Kconfig                 |   20 +++
arch/x86_64/kernel/early_printk.c |  218 -----------------------------
arch/x86_64/kernel/head64.c       |    5
include/asm-i386/early_printk.h   |    8 +
include/asm-x86_64/early_printk.h |    8 +
include/linux/early_printk.h      |   47 ++++++++
init/main.c                       |    1
kernel/Makefile                   |    1
kernel/early_printk.c             |  209 +++++++++++++++++++++++++++++
  9 files changed, 295 insertions(+), 222 deletions(-)

-- 
Dave Hansen
haveblue@us.ibm.com