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Diffstat (limited to 'arch/x86/kernel/smpboot_32.c')
-rw-r--r--arch/x86/kernel/smpboot_32.c12
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));
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