Build failure on arch/x86/vdso/built-in.o: In function `init_vdso_vars'

Build failure on arch/x86/vdso/built-in.o: In function `init_vdso_vars'

[Priit Laes]

Hey,

This is with latest Linus's tree. It started IIRC just after the big x86
merge. Machine is amd64, no 32-bit emulation set.
.config here: http://plaes.org/files/2008-Q1/dot_config_VDSO64_error

[snip]
  LD      vmlinux.o
  MODPOST vmlinux.o
modpost: Found 29 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
  GEN     .version
  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
arch/x86/vdso/built-in.o: In function `init_vdso_vars':
vma.c:(.init.text+0x170): undefined reference to `VDSO64_vgetcpu_mode'
vma.c:(.init.text+0x1a3): undefined reference to `VDSO64_vsyscall_gtod_data'
vma.c:(.init.text+0x1aa): undefined reference to `VDSO64_vgetcpu_mode'
vma.c:(.init.text+0x1d8): undefined reference to `VDSO64_vsyscall_gtod_data'
make: *** [.tmp_vmlinux1] Error 1

[/snip]

Cheers,
Priit :)