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SubjectRe: [PATCH -mm HOT-FIX] fix build on ia64 (modpost.c)
Sam Ravnborg <> wrote:
> >
> > - This kernel won't compile on ia64 (and possibly other architectures)
> > because the kbuild tree is using Elf_Rela in scripts/mod/modpost.c. Is OK
> > on x86, x86_64 and powerpc. Sam might send a hotfix?
> Attached is a real hot-fix. It disables the new check entirely.

Well that bit compiles.

> I like to learn:
> 1) Why IA64 is missing Elf64_Rela. Can someone drop me a copy of elf.h -
> and include gcc + binutils version in the mail - thanks.

This thing's running RHAS2.1 which I think dates from before the invention
of the transistor. Running home-made gcc-3.3.2 and binutils-

I'll send along the three elf.h's under /usr/include.

> 2) I also like to know if other architectures broke - so I can figure
> out how to fix this.

Dunno yet - I didn't do the normal batch of cross-compiles due to spending
six hours chasing down new bugs.

> I have tested this on X86_64/amd64 (gentoo based) only.

That fixes the modpost.c compile, but the new futex stuff fails because
ia64 doesn't implement ptr_to_compat(). In fact only three architectures
appear to do so.

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