1 files changed, 9 insertions, 3 deletions

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 31fc08bd15ef..be3faac04719 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -102,8 +102,8 @@ u8 apicid_2_node[MAX_APICID];
  * Trampoline 80x86 program as an array.
  */
 
-extern unsigned char trampoline_data [];
-extern unsigned char trampoline_end  [];
+extern const unsigned char trampoline_data [];
+extern const unsigned char trampoline_end  [];
 static unsigned char *trampoline_base;
 static int trampoline_exec;
 
@@ -118,7 +118,7 @@ DEFINE_PER_CPU(int, cpu_state) = { 0 };
  * has made sure it's suitably aligned.
  */
 
-static unsigned long __devinit setup_trampoline(void)
+static unsigned long __cpuinit setup_trampoline(void)
 {
         memcpy(trampoline_base, trampoline_data, trampoline_end - trampoline_data);
         return virt_to_phys(trampoline_base);
@@ -1021,6 +1021,12 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
         if (!max_cpus) {
                 smp_found_config = 0;
                 printk(KERN_INFO "SMP mode deactivated, forcing use of dummy APIC emulation.\n");
+
+                if (nmi_watchdog == NMI_LOCAL_APIC) {
+                        printk(KERN_INFO "activating minimal APIC for NMI watchdog use.\n");
+                        connect_bsp_APIC();
+                        setup_local_APIC();
+                }
                 smpboot_clear_io_apic_irqs();
                 phys_cpu_present_map = physid_mask_of_physid(0);
                 cpu_set(0, per_cpu(cpu_sibling_map, 0));