[PATCH] [42/66] x86_64: Limit max number of CPUs to 255

["Andi Kleen" <ak@xxxxxxx>]

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@xxxxxxx>

---
 arch/x86_64/Kconfig |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/x86_64/Kconfig
===================================================================
--- linux.orig/arch/x86_64/Kconfig
+++ linux/arch/x86_64/Kconfig
@@ -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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