1. 7974891 x86: Always use irq stacks by Christoph Hellwig · 14 years ago
  2. 23deb06 x86: move x86-specific documentation into Documentation/x86 by H. Peter Anvin · 16 years ago[Renamed from Documentation/x86_64/kernel-stacks]
  3. 57d3077 [PATCH] x86-64: cleanup Doc/x86_64/ files by Randy Dunlap · 17 years ago
  4. 352f7ba [PATCH] Add stack documentation document from Keith Owens by Andi Kleen · 18 years ago