commit 01d4bed417b5943577e9290fbf672ea9a449dc46
author Andi Kleen <ak@suse.de> Sat Mar 25 16:30:58 2006 +0100
committer Linus Torvalds <torvalds@g5.osdl.org> Sat Mar 25 09:10:56 2006 -0800
tree b04d4b16cc9311f5181e26ebbf3f3202499c8cb9
parent 5b922cd429675059f7a7798f7a0b3898c38dc070

[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>

arch/x86_64/Kconfig

diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 24a3016..6fc6314 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -323,7 +323,7 @@
 
 config NR_CPUS
 	int "Maximum number of CPUs (2-256)"
-	range 2 256
+	range 2 255
 	depends on SMP
 	default "8"
 	help