Commit 01d4bed4 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds

[PATCH] x86_64: Limit max number of CPUs to 255

Because 256 causes overflows in some code that stores them in 8 bit
fields and the x86 APIC architecture cannot handle more than 255
anyways.
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5b922cd4
......@@ -323,7 +323,7 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
config NR_CPUS
int "Maximum number of CPUs (2-256)"
range 2 256
range 2 255
depends on SMP
default "8"
help
......
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