[PATCH] x86: sutomatically enable bigsmp when we have more than 8 CPUs
[linux-3.10.git] / arch / i386 / kernel / setup.c
index 9adbf71..294bcca 100644 (file)
@@ -1585,8 +1585,14 @@ void __init setup_arch(char **cmdline_p)
         */
        acpi_boot_table_init();
        acpi_boot_init();
-#endif
 
+#if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
+       if (def_to_bigsmp)
+               printk(KERN_WARNING "More than 8 CPUs detected and "
+                       "CONFIG_X86_PC cannot handle it.\nUse "
+                       "CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n");
+#endif
+#endif
 #ifdef CONFIG_X86_LOCAL_APIC
        if (smp_found_config)
                get_smp_config();