1. 5c48b10 um: take arch/um/sys-x86 to arch/x86/um by Al Viro · 13 years ago[Renamed from arch/um/sys-x86/vdso/um_vdso.c]
  2. 6582b7f um: merge arch/um/sys-{i386,x86_64} by Al Viro · 13 years ago[Renamed from arch/um/sys-x86_64/vdso/um_vdso.c]
  3. f1c2bb8 um: implement a x86_64 vDSO by Richard Weinberger · 13 years ago