Remove last CONFIG_VISWS remnants from arch/i386/kernel

arch/i386/kernel/smpboot.c

@@ -51,6 +51,7 @@
 #include <asm/smpboot.h>
 #include <asm/desc.h>
 #include <asm/arch_hooks.h>
+#include "smpboot_hooks.h"
 
 /* Set if we find a B stepping CPU */
 static int __initdata smp_b_stepping;
@@ -1072,9 +1073,7 @@ void __init smp_boot_cpus(void)
 	 */
 	if (!smp_found_config) {
 		printk(KERN_NOTICE "SMP motherboard not detected.\n");
-#ifndef CONFIG_VISWS
-		io_apic_irqs = 0;
-#endif
+		smpboot_clear_io_apic_irqs();
 		cpu_online_map = phys_cpu_present_map = 1;
 		if (APIC_init_uniprocessor())
 			printk(KERN_NOTICE "Local APIC not detected."
@@ -1101,9 +1100,7 @@ void __init smp_boot_cpus(void)
 		printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
 			boot_cpu_physical_apicid);
 		printk(KERN_ERR "... forcing use of dummy APIC emulation. (tell your hw vendor)\n");
-#ifndef CONFIG_VISWS
-		io_apic_irqs = 0;
-#endif
+		smpboot_clear_io_apic_irqs();
 		cpu_online_map = phys_cpu_present_map = 1;
 		goto smp_done;
 	}
@@ -1116,9 +1113,7 @@ void __init smp_boot_cpus(void)
 	if (!max_cpus) {
 		smp_found_config = 0;
 		printk(KERN_INFO "SMP mode deactivated, forcing use of dummy APIC emulation.\n");
-#ifndef CONFIG_VISWS
-		io_apic_irqs = 0;
-#endif
+		smpboot_clear_io_apic_irqs();
 		cpu_online_map = phys_cpu_present_map = 1;
 		goto smp_done;
 	}
@@ -1165,22 +1160,7 @@ void __init smp_boot_cpus(void)
 	/*
 	 * Cleanup possible dangling ends...
 	 */
-#ifndef CONFIG_VISWS
-	{
-		/*
-		 * Install writable page 0 entry to set BIOS data area.
-		 */
-		local_flush_tlb();
-
-		/*
-		 * Paranoid:  Set warm reset code and vector here back
-		 * to default values.
-		 */
-		CMOS_WRITE(0, 0xf);
-
-		*((volatile long *) phys_to_virt(0x467)) = 0;
-	}
-#endif
+	smpboot_setup_warm_reset_vector();
 
 	/*
 	 * Allow the user to impress friends.
@@ -1233,14 +1213,7 @@ void __init smp_boot_cpus(void)
 		}
 	}
 
-#ifndef CONFIG_VISWS
-	/*
-	 * Here we can be sure that there is an IO-APIC in the system. Let's
-	 * go and set it up:
-	 */
-	if (!skip_ioapic_setup && nr_ioapics)
-		setup_IO_APIC();
-#endif
+	smpboot_setup_io_apic();
 
 	/*
 	 * Set up all local APIC timers in the system:

arch/i386/mach-generic/smpboot_hooks.h

+/* two abstractions specific to kernel/smpboot.c, mainly to cater to visws
+ * which needs to alter them. */
+
+static inline void smpboot_clear_io_apic_irqs(void)
+{
+	io_apic_irqs = 0;
+}
+
+static inline void smpboot_setup_warm_reset_vector(void)
+{
+	/*
+	 * Install writable page 0 entry to set BIOS data area.
+	 */
+	local_flush_tlb();
+
+	/*
+	 * Paranoid:  Set warm reset code and vector here back
+	 * to default values.
+	 */
+	CMOS_WRITE(0, 0xf);
+
+	*((volatile long *) phys_to_virt(0x467)) = 0;
+}
+
+static inline void smpboot_setup_io_apic(void)
+{
+	/*
+	 * Here we can be sure that there is an IO-APIC in the system. Let's
+	 * go and set it up:
+	 */
+	if (!skip_ioapic_setup && nr_ioapics)
+		setup_IO_APIC();
+}

arch/i386/mach-visws/smpboot_hooks.h

+/* for visws do nothing for any of these */
+
+static inline void smpboot_clear_io_apic_irqs(void)
+{
+}
+
+static inline void smpboot_setup_warm_reset_vector(void)
+{
+}
+
+static inline void smpboot_setup_io_apic(void)
+{
+}