---

yaml
---
r: 100137
b: refs/heads/master
c: 244a5e2
h: refs/heads/master
i:
  100135: 953f1bc
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6a64b5da9bbe561fd189361812f5ed205bb55345
+refs/heads/master: 244a5e2ee0ba204d66dfe4273df91c6bc65a310a

trunk/include/asm-x86/mach-visws/smpboot_hooks.h

@@ -1,3 +1,13 @@
+/* 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)
+{
+#ifdef CONFIG_X86_IO_APIC
+	io_apic_irqs = 0;
+#endif
+}
+
 static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip)
 {
 	CMOS_WRITE(0xa, 0xf);
@@ -9,20 +19,41 @@ static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip)
 	Dprintk("3.\n");
 }
 
-/* for visws do nothing for any of these */
-
-static inline void smpboot_clear_io_apic_irqs(void)
-{
-}
-
 static inline void smpboot_restore_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)
+static inline void __init smpboot_setup_io_apic(void)
 {
+#ifdef CONFIG_X86_IO_APIC
+	/*
+	 * 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();
+	else {
+		nr_ioapics = 0;
+		localise_nmi_watchdog();
+	}
+#endif
 }
 
 static inline void smpboot_clear_io_apic(void)
 {
+#ifdef CONFIG_X86_IO_APIC
+	nr_ioapics = 0;
+#endif
 }