[PATCH] visws: fix for generic-subarch

From: Andy Wihitcroft <apw@shadowen.org>

The generic-subarch patch broke visws builds.

arch/i386/kernel/smpboot.c

@@ -1149,7 +1149,9 @@ int __devinit __cpu_up(unsigned int cpu)
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
+#ifdef CONFIG_X86_IO_APIC
 	setup_ioapic_dest(TARGET_CPUS);
+#endif
 	zap_low_mappings();
 }
 

include/asm-i386/mach-visws/mach_apic.h

@@ -19,6 +19,14 @@
 #define check_apicid_used(bitmap, apicid) (bitmap & (1 << apicid))
 #define check_apicid_present(bit) (phys_cpu_present_map & (1 << bit))
 
+#define         APIC_ID_MASK            (0xF<<24)
+
+static inline unsigned get_apic_id(unsigned long x)
+{
+	        return (((x)>>24)&0xF);
+}
+#define         GET_APIC_ID(x)  get_apic_id(x)
+
 static inline int apic_id_registered(void)
 {
 	return (test_bit(GET_APIC_ID(apic_read(APIC_ID)),