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-rw-r--r--arch/x86/hyperv/hv_init.c2
-rw-r--r--arch/x86/include/asm/hardirq.h3
-rw-r--r--arch/x86/kernel/irq.c9
3 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index e4377e2f2a10..a3adece392f1 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -147,6 +147,8 @@ __visible void __irq_entry hyperv_reenlightenment_intr(struct pt_regs *regs)
{
entering_ack_irq();
+ inc_irq_stat(irq_hv_reenlightenment_count);
+
schedule_delayed_work(&hv_reenlightenment_work, HZ/10);
exiting_irq();
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index 51cc979dd364..7c341a74ec8c 100644
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -38,6 +38,9 @@ typedef struct {
#if IS_ENABLED(CONFIG_HYPERV) || defined(CONFIG_XEN)
unsigned int irq_hv_callback_count;
#endif
+#if IS_ENABLED(CONFIG_HYPERV)
+ unsigned int irq_hv_reenlightenment_count;
+#endif
} ____cacheline_aligned irq_cpustat_t;
DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 68e1867cca80..45fb4d2565f8 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -142,6 +142,15 @@ int arch_show_interrupts(struct seq_file *p, int prec)
seq_puts(p, " Hypervisor callback interrupts\n");
}
#endif
+#if IS_ENABLED(CONFIG_HYPERV)
+ if (test_bit(HYPERV_REENLIGHTENMENT_VECTOR, system_vectors)) {
+ seq_printf(p, "%*s: ", prec, "HRE");
+ for_each_online_cpu(j)
+ seq_printf(p, "%10u ",
+ irq_stats(j)->irq_hv_reenlightenment_count);
+ seq_puts(p, " Hyper-V reenlightenment interrupts\n");
+ }
+#endif
seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
#if defined(CONFIG_X86_IO_APIC)
seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));