Re: [update5] [PATCH] init: bzip2 or lzma -compressed kernels andinitrds

[H. Peter Anvin]

Alain Knaff wrote:
> H. Peter Anvin wrote:
> > Just did so, and it broke my first test build.
> >
> > arch/x86/boot/compressed/head_64.o: In function `relocated':
> > (.text+0x28): undefined reference to `_end'
> > make[3]: *** [arch/x86/boot/compressed/vmlinux] Error 1
> > make[2]: *** [arch/x86/boot/compressed/vmlinux] Error 2
> > make[1]: *** [bzImage] Error 2
> > make: *** [sub-make] Error 2
> >
> >     -hpa
>
> Just leave the changes in head_64.S away; this was only about improved
> memory management. It is not strictly needed, as the change in
> /include/asm-x86/boot.h still makes sure that the heap is big enough,
> even for bzip2

OK, this kind of underscores something I have been thinking already: 
this is a really large patch and should be broken down into a patchset. 
 Presumably something like:

- Cleanups to inflate library code
- Use existing library code for initramfs
- Add bzip2 library code
- Add lzma library code
- Add support for bzip2/lzma initrd
- Add support for bzip2/lzma bzImage

	-hpa
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