x86: Distinguish TLB shootdown interrupts from other functions call interrupts

[firefly-linux-kernel-4.4.55.git] / arch / x86 / include / asm / hardirq.h

diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h
index d3895dbf4ddb531da7bbc44ebd59f9a1032475fa..81f04cee5f741226b6e23e45bcab7874bff29e62 100644 (file)
--- a/arch/x86/include/asm/hardirq.h
+++ b/arch/x86/include/asm/hardirq.h
@@ -18,6 +18,10 @@ typedef struct {
 #ifdef CONFIG_SMP
        unsigned int irq_resched_count;
        unsigned int irq_call_count;
+       /*
+        * irq_tlb_count is double-counted in irq_call_count, so it must be
+        * subtracted from irq_call_count when displaying irq_call_count
+        */
        unsigned int irq_tlb_count;
 #endif
 #ifdef CONFIG_X86_THERMAL_VECTOR