1. bb89855 x86, um: ... and asm-x86 move by Al Viro · 16 years ago
  2. 5c51c63 Xen: fix cpu_hotplug.c build by replacing is_running_on_xen() with xen_pv_domain() by Alex Nixon · 16 years ago
  3. d68d82a xen: implement CPU hotplugging by Alex Nixon · 16 years ago