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    SubjectRe: [Lse-tech] Re: 10.31 second kernel compile
    On Wed, 13 Mar 2002 13:44:43 -0800, 
    Dave Hansen <> wrote:
    >The final linking stage in the makefile looks like this:
    >vmlinux: piggy.o $(OBJECTS)
    > $(LD) $(ZLINKFLAGS) -o vmlinux $(OBJECTS) piggy.o
    >If we link in chunks, we can parallelize this.
    >Image 26 object files: [a-z].o
    >ld -r -o abcd.o [abcd].o
    >ld -r -o efgh.o [efgh].o
    >ld -r -o abcdefgh.o {abcd,efgh,...}.o
    >then, instead of the old final link stage:
    >$(LD) $(ZLINKFLAGS) -o vmlinux {abcdefgh,...}.o piggy.o
    >The final link will still take a while, but we will have at least broken
    >up SOME of the work. I'm going to see if this will actually work now.
    >Any comments?

    I'm sorry Dave, you can't do that ;) The init_call order is controlled
    by link order, change the link order and you corrupt the kernel
    initialization order, double plus ungood. The link of vmlinux requires
    that $(OBJECTS) be exactly as coded.

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