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Diffstat (limited to 'arch/i386/kernel/nmi.c')
-rw-r--r--arch/i386/kernel/nmi.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 2f89d000f954..2c0ee9c2d020 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -102,20 +102,21 @@ int nmi_active;
102 (P4_CCCR_OVF_PMI0|P4_CCCR_THRESHOLD(15)|P4_CCCR_COMPLEMENT| \ 102 (P4_CCCR_OVF_PMI0|P4_CCCR_THRESHOLD(15)|P4_CCCR_COMPLEMENT| \
103 P4_CCCR_COMPARE|P4_CCCR_REQUIRED|P4_CCCR_ESCR_SELECT(4)|P4_CCCR_ENABLE) 103 P4_CCCR_COMPARE|P4_CCCR_REQUIRED|P4_CCCR_ESCR_SELECT(4)|P4_CCCR_ENABLE)
104 104
105int __init check_nmi_watchdog (void) 105static int __init check_nmi_watchdog(void)
106{ 106{
107 unsigned int prev_nmi_count[NR_CPUS]; 107 unsigned int prev_nmi_count[NR_CPUS];
108 int cpu; 108 int cpu;
109 109
110 printk(KERN_INFO "testing NMI watchdog ... "); 110 if (nmi_watchdog == NMI_NONE)
111 return 0;
112
113 printk(KERN_INFO "Testing NMI watchdog ... ");
111 114
112 for (cpu = 0; cpu < NR_CPUS; cpu++) 115 for (cpu = 0; cpu < NR_CPUS; cpu++)
113 prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count; 116 prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;
114 local_irq_enable(); 117 local_irq_enable();
115 mdelay((10*1000)/nmi_hz); // wait 10 ticks 118 mdelay((10*1000)/nmi_hz); // wait 10 ticks
116 119
117 /* FIXME: Only boot CPU is online at this stage. Check CPUs
118 as they come up. */
119 for (cpu = 0; cpu < NR_CPUS; cpu++) { 120 for (cpu = 0; cpu < NR_CPUS; cpu++) {
120#ifdef CONFIG_SMP 121#ifdef CONFIG_SMP
121 /* Check cpu_callin_map here because that is set 122 /* Check cpu_callin_map here because that is set
@@ -139,6 +140,8 @@ int __init check_nmi_watchdog (void)
139 140
140 return 0; 141 return 0;
141} 142}
143/* This needs to happen later in boot so counters are working */
144late_initcall(check_nmi_watchdog);
142 145
143static int __init setup_nmi_watchdog(char *str) 146static int __init setup_nmi_watchdog(char *str)
144{ 147{