1. 39c715b [PATCH] smp_processor_id() cleanup by Ingo Molnar · 20 years ago
  2. e927ecb [IA64] multi-core/multi-thread identification by Suresh Siddha · 20 years ago
  3. 1da177e Linux-2.6.12-rc2 by Linus Torvalds · 20 years ago