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-rw-r--r--arch/x86/include/asm/hardirq.h7
-rw-r--r--arch/x86/include/asm/hw_irq.h4
-rw-r--r--arch/x86/kernel/apic/apic.c2
-rw-r--r--arch/x86/kernel/apic/io_apic.c4
-rw-r--r--arch/x86/kernel/i8259.c2
-rw-r--r--arch/x86/kernel/irq.c16
-rw-r--r--fs/proc/stat.c4
7 files changed, 11 insertions, 28 deletions
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index 6723b512c694..dea60d66d976 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -50,6 +50,10 @@ enum irq_stat_counts {
#ifdef CONFIG_X86_POSTED_MSI
IRQ_COUNT_POSTED_MSI_NOTIFICATION,
#endif
+ IRQ_COUNT_PIC_APIC_ERROR,
+#ifdef CONFIG_X86_IO_APIC
+ IRQ_COUNT_IOAPIC_MISROUTED,
+#endif
IRQ_COUNT_MAX,
};
@@ -81,9 +85,6 @@ extern void ack_bad_irq(unsigned int irq);
#ifdef CONFIG_PROC_FS
extern u64 arch_irq_stat_cpu(unsigned int cpu);
#define arch_irq_stat_cpu arch_irq_stat_cpu
-
-extern u64 arch_irq_stat(void);
-#define arch_irq_stat arch_irq_stat
#endif
DECLARE_PER_CPU_CACHE_HOT(u16, __softirq_pending);
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index cbe19e669080..47727d0b540b 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -110,10 +110,6 @@ static inline void lock_vector_lock(void) {}
static inline void unlock_vector_lock(void) {}
#endif
-/* Statistics */
-extern atomic_t irq_err_count;
-extern atomic_t irq_mis_count;
-
extern void elcr_set_level_irq(unsigned int irq);
extern char irq_entries_start[];
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index e27c263d6c13..3eeebc2c5a1d 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2186,7 +2186,7 @@ DEFINE_IDTENTRY_SYSVEC(sysvec_error_interrupt)
apic_write(APIC_ESR, 0);
v = apic_read(APIC_ESR);
apic_eoi();
- atomic_inc(&irq_err_count);
+ irq_stat_inc_and_enable(IRQ_COUNT_PIC_APIC_ERROR);
apic_pr_debug("APIC error on CPU%d: %02x", smp_processor_id(), v);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 352ed5558cbc..7d7175d01228 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1575,8 +1575,6 @@ static unsigned int startup_ioapic_irq(struct irq_data *data)
return was_pending;
}
-atomic_t irq_mis_count;
-
#ifdef CONFIG_GENERIC_PENDING_IRQ
static bool io_apic_level_ack_pending(struct mp_chip_data *data)
{
@@ -1713,7 +1711,7 @@ static void ioapic_ack_level(struct irq_data *irq_data)
* at the cpu.
*/
if (!(v & (1 << (i & 0x1f)))) {
- atomic_inc(&irq_mis_count);
+ irq_stat_inc_and_enable(IRQ_COUNT_IOAPIC_MISROUTED);
eoi_ioapic_pin(cfg->vector, irq_data->chip_data);
}
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index f67063df6723..f7a86b94a0dd 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -214,7 +214,7 @@ spurious_8259A_irq:
"spurious 8259A interrupt: IRQ%d.\n", irq);
spurious_irq_mask |= irqmask;
}
- atomic_inc(&irq_err_count);
+ irq_stat_inc_and_enable(IRQ_COUNT_PIC_APIC_ERROR);
/*
* Theoretically we do not have to handle this IRQ,
* but in Linux this does not cause problems and is
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 2d8ca4116610..9d98c81fcd24 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -39,8 +39,6 @@ EXPORT_PER_CPU_SYMBOL(__softirq_pending);
DEFINE_PER_CPU_CACHE_HOT(struct irq_stack *, hardirq_stack_ptr);
-atomic_t irq_err_count;
-
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@@ -124,6 +122,10 @@ static const struct irq_stat_info irq_stat_info[IRQ_COUNT_MAX] = {
#ifdef CONFIG_X86_POSTED_MSI
ISS(POSTED_MSI_NOTIFICATION, "PMN", " Posted MSI notification event\n"),
#endif
+ IDS(PIC_APIC_ERROR, "ERR", " PIC/APIC error interrupts\n"),
+#ifdef CONFIG_X86_IO_APIC
+ IDS(IOAPIC_MISROUTED, "MIS", " Misrouted IO/APIC interrupts\n"),
+#endif
};
static DECLARE_BITMAP(irq_stat_count_show, IRQ_COUNT_MAX) __read_mostly;
@@ -183,10 +185,6 @@ int arch_show_interrupts(struct seq_file *p, int prec)
irq_proc_emit_counts(p, &irq_stat.counts[i]);
seq_puts(p, info->text);
}
-
- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
- if (IS_ENABLED(CONFIG_X86_IO_APIC))
- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));
return 0;
}
@@ -202,12 +200,6 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
sum += p->counts[i];
return sum;
}
-
-u64 arch_irq_stat(void)
-{
- u64 sum = atomic_read(&irq_err_count);
- return sum;
-}
#endif /* CONFIG_PROC_FS */
static __always_inline void handle_irq(struct irq_desc *desc,
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 8b444e862319..20c3df9a9b80 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -18,9 +18,6 @@
#ifndef arch_irq_stat_cpu
#define arch_irq_stat_cpu(cpu) 0
#endif
-#ifndef arch_irq_stat
-#define arch_irq_stat() 0
-#endif
u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
{
@@ -122,7 +119,6 @@ static int show_stat(struct seq_file *p, void *v)
sum_softirq += softirq_stat;
}
}
- sum += arch_irq_stat();
seq_put_decimal_ull(p, "cpu ", nsec_to_clock_t(user));
seq_put_decimal_ull(p, " ", nsec_to_clock_t(nice));