[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: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-03-25 16:30:58 +01:00 committed by Linus Torvalds
parent 5b922cd429
commit 01d4bed417
1 changed files with 1 additions and 1 deletions

View File

@ -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