Commit 01d4bed4 authored Mar 25, 2006 by Andi Kleen Committed by Linus Torvalds Mar 25, 2006

[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>

parent 5b922cd4

arch/x86_64/Kconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -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