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yaml
---
r: 666
b: refs/heads/master
c: 67701ae
h: refs/heads/master
v: v3
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Jack F Vogel authored and Linus Torvalds committed May 1, 2005
1 parent a199110 commit 8dee98d
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Showing 9 changed files with 15 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: fd51f666fa591294bd7462447512666e61c56ea0
refs/heads/master: 67701ae9767534534d3710664037dfde2cc04935
2 changes: 0 additions & 2 deletions trunk/arch/i386/kernel/apic.c
Original file line number Diff line number Diff line change
Expand Up @@ -1265,8 +1265,6 @@ int __init APIC_init_uniprocessor (void)

setup_local_APIC();

if (nmi_watchdog == NMI_LOCAL_APIC)
check_nmi_watchdog();
#ifdef CONFIG_X86_IO_APIC
if (smp_found_config)
if (!skip_ioapic_setup && nr_ioapics)
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2 changes: 0 additions & 2 deletions trunk/arch/i386/kernel/io_apic.c
Original file line number Diff line number Diff line change
Expand Up @@ -2175,7 +2175,6 @@ static inline void check_timer(void)
disable_8259A_irq(0);
setup_nmi();
enable_8259A_irq(0);
check_nmi_watchdog();
}
return;
}
Expand All @@ -2198,7 +2197,6 @@ static inline void check_timer(void)
add_pin_to_irq(0, 0, pin2);
if (nmi_watchdog == NMI_IO_APIC) {
setup_nmi();
check_nmi_watchdog();
}
return;
}
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11 changes: 7 additions & 4 deletions trunk/arch/i386/kernel/nmi.c
Original file line number Diff line number Diff line change
Expand Up @@ -102,20 +102,21 @@ int nmi_active;
(P4_CCCR_OVF_PMI0|P4_CCCR_THRESHOLD(15)|P4_CCCR_COMPLEMENT| \
P4_CCCR_COMPARE|P4_CCCR_REQUIRED|P4_CCCR_ESCR_SELECT(4)|P4_CCCR_ENABLE)

int __init check_nmi_watchdog (void)
static int __init check_nmi_watchdog(void)
{
unsigned int prev_nmi_count[NR_CPUS];
int cpu;

printk(KERN_INFO "testing NMI watchdog ... ");
if (nmi_watchdog == NMI_NONE)
return 0;

printk(KERN_INFO "Testing NMI watchdog ... ");

for (cpu = 0; cpu < NR_CPUS; cpu++)
prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;
local_irq_enable();
mdelay((10*1000)/nmi_hz); // wait 10 ticks

/* FIXME: Only boot CPU is online at this stage. Check CPUs
as they come up. */
for (cpu = 0; cpu < NR_CPUS; cpu++) {
#ifdef CONFIG_SMP
/* Check cpu_callin_map here because that is set
Expand All @@ -139,6 +140,8 @@ int __init check_nmi_watchdog (void)

return 0;
}
/* This needs to happen later in boot so counters are working */
late_initcall(check_nmi_watchdog);

static int __init setup_nmi_watchdog(char *str)
{
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3 changes: 0 additions & 3 deletions trunk/arch/i386/kernel/smpboot.c
Original file line number Diff line number Diff line change
Expand Up @@ -1089,9 +1089,6 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
}
}

if (nmi_watchdog == NMI_LOCAL_APIC)
check_nmi_watchdog();

smpboot_setup_io_apic();

setup_boot_APIC_clock();
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2 changes: 0 additions & 2 deletions trunk/arch/x86_64/kernel/io_apic.c
Original file line number Diff line number Diff line change
Expand Up @@ -1607,7 +1607,6 @@ static inline void check_timer(void)
disable_8259A_irq(0);
setup_nmi();
enable_8259A_irq(0);
check_nmi_watchdog();
}
return;
}
Expand All @@ -1627,7 +1626,6 @@ static inline void check_timer(void)
nmi_watchdog_default();
if (nmi_watchdog == NMI_IO_APIC) {
setup_nmi();
check_nmi_watchdog();
}
return;
}
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9 changes: 7 additions & 2 deletions trunk/arch/x86_64/kernel/nmi.c
Original file line number Diff line number Diff line change
Expand Up @@ -112,17 +112,20 @@ static __init int cpu_has_lapic(void)
}
}

int __init check_nmi_watchdog (void)
static int __init check_nmi_watchdog (void)
{
int counts[NR_CPUS];
int cpu;

if (nmi_watchdog == NMI_NONE)
return 0;

if (nmi_watchdog == NMI_LOCAL_APIC && !cpu_has_lapic()) {
nmi_watchdog = NMI_NONE;
return -1;
}

printk(KERN_INFO "testing NMI watchdog ... ");
printk(KERN_INFO "Testing NMI watchdog ... ");

for (cpu = 0; cpu < NR_CPUS; cpu++)
counts[cpu] = cpu_pda[cpu].__nmi_count;
Expand All @@ -148,6 +151,8 @@ int __init check_nmi_watchdog (void)

return 0;
}
/* Have this called later during boot so counters are updating */
late_initcall(check_nmi_watchdog);

int __init setup_nmi_watchdog(char *str)
{
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1 change: 0 additions & 1 deletion trunk/include/asm-i386/apic.h
Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,6 @@ extern int APIC_init_uniprocessor (void);
extern void disable_APIC_timer(void);
extern void enable_APIC_timer(void);

extern int check_nmi_watchdog (void);
extern void enable_NMI_through_LVT0 (void * dummy);

extern unsigned int nmi_watchdog;
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1 change: 0 additions & 1 deletion trunk/include/asm-x86_64/apic.h
Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,6 @@ extern void disable_APIC_timer(void);
extern void enable_APIC_timer(void);
extern void clustered_apic_check(void);

extern int check_nmi_watchdog(void);
extern void nmi_watchdog_default(void);
extern int setup_nmi_watchdog(char *);

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