[PATCH] x86: allow 8 more cpus could be used
From: Yinghai Lu
Date: Thu Jan 29 2009 - 17:19:54 EST
Impact: fix left out MARCO
X86_PC will be always enabled. so need to check if we have bigsmp support built
in before cut off more than 8 cpus.
otherwise only get 8 cpus.
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
arch/x86/kernel/smpboot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/arch/x86/kernel/smpboot.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/smpboot.c
+++ linux-2.6/arch/x86/kernel/smpboot.c
@@ -1000,7 +1000,7 @@ static int __init smp_sanity_check(unsig
{
preempt_disable();
-#if defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
+#if defined(CONFIG_X86_PC) && !defined(CONFIG_X86_BIGSMP)
if (def_to_bigsmp && nr_cpu_ids > 8) {
unsigned int cpu;
unsigned nr;
--
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