diff options
Diffstat (limited to 'arch/i386/kernel/smpboot.c')
| -rw-r--r-- | arch/i386/kernel/smpboot.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index cd7de9c9654b..346f27f4c79f 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -58,6 +58,7 @@ #include <asm/arch_hooks.h> #include <asm/nmi.h> #include <asm/pda.h> +#include <asm/genapic.h> #include <mach_apic.h> #include <mach_wakecpu.h> @@ -1482,6 +1483,12 @@ int __devinit __cpu_up(unsigned int cpu) cpu_set(cpu, smp_commenced_mask); while (!cpu_isset(cpu, cpu_online_map)) cpu_relax(); + +#ifdef CONFIG_X86_GENERICARCH + if (num_online_cpus() > 8 && genapic == &apic_default) + panic("Default flat APIC routing can't be used with > 8 cpus\n"); +#endif + return 0; } |