Commits
Andi Kleen committed 5bf97e01192
[PATCH] x86-64: Use physflat on Intel for < 8 CPUs with CPU hotplug This avoids races with the APIC broadcast/mask modes. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>