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    SubjectRe: [PATCH] early printk for x86
    On Thu, Nov 14, 2002 at 02:50:43PM -0800, Dave Hansen wrote:
    > 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()

    That's overkill. Most architectures have an early_printk equivalent in
    firmware. Only i386 and x86-64 are not lucky enough to have one
    that is usable from the CPU mode linux uses.

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