diff options
Diffstat (limited to 'arch/x86/kernel/nmi_32.c')
-rw-r--r-- | arch/x86/kernel/nmi_32.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86/kernel/nmi_32.c b/arch/x86/kernel/nmi_32.c index 6a0aa703868..8421d0ac6f2 100644 --- a/arch/x86/kernel/nmi_32.c +++ b/arch/x86/kernel/nmi_32.c | |||
@@ -22,9 +22,11 @@ | |||
22 | #include <linux/cpumask.h> | 22 | #include <linux/cpumask.h> |
23 | #include <linux/kernel_stat.h> | 23 | #include <linux/kernel_stat.h> |
24 | #include <linux/kdebug.h> | 24 | #include <linux/kdebug.h> |
25 | #include <linux/slab.h> | ||
25 | 26 | ||
26 | #include <asm/smp.h> | 27 | #include <asm/smp.h> |
27 | #include <asm/nmi.h> | 28 | #include <asm/nmi.h> |
29 | #include <asm/timer.h> | ||
28 | 30 | ||
29 | #include "mach_traps.h" | 31 | #include "mach_traps.h" |
30 | 32 | ||
@@ -67,7 +69,7 @@ static __init void nmi_cpu_busy(void *data) | |||
67 | } | 69 | } |
68 | #endif | 70 | #endif |
69 | 71 | ||
70 | static int __init check_nmi_watchdog(void) | 72 | int __init check_nmi_watchdog(void) |
71 | { | 73 | { |
72 | unsigned int *prev_nmi_count; | 74 | unsigned int *prev_nmi_count; |
73 | int cpu; | 75 | int cpu; |
@@ -80,7 +82,7 @@ static int __init check_nmi_watchdog(void) | |||
80 | 82 | ||
81 | prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL); | 83 | prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL); |
82 | if (!prev_nmi_count) | 84 | if (!prev_nmi_count) |
83 | return -1; | 85 | goto error; |
84 | 86 | ||
85 | printk(KERN_INFO "Testing NMI watchdog ... "); | 87 | printk(KERN_INFO "Testing NMI watchdog ... "); |
86 | 88 | ||
@@ -117,7 +119,7 @@ static int __init check_nmi_watchdog(void) | |||
117 | if (!atomic_read(&nmi_active)) { | 119 | if (!atomic_read(&nmi_active)) { |
118 | kfree(prev_nmi_count); | 120 | kfree(prev_nmi_count); |
119 | atomic_set(&nmi_active, -1); | 121 | atomic_set(&nmi_active, -1); |
120 | return -1; | 122 | goto error; |
121 | } | 123 | } |
122 | printk("OK.\n"); | 124 | printk("OK.\n"); |
123 | 125 | ||
@@ -128,9 +130,11 @@ static int __init check_nmi_watchdog(void) | |||
128 | 130 | ||
129 | kfree(prev_nmi_count); | 131 | kfree(prev_nmi_count); |
130 | return 0; | 132 | return 0; |
133 | error: | ||
134 | timer_ack = !cpu_has_tsc; | ||
135 | |||
136 | return -1; | ||
131 | } | 137 | } |
132 | /* This needs to happen later in boot so counters are working */ | ||
133 | late_initcall(check_nmi_watchdog); | ||
134 | 138 | ||
135 | static int __init setup_nmi_watchdog(char *str) | 139 | static int __init setup_nmi_watchdog(char *str) |
136 | { | 140 | { |