x86, trace: Add irq vector tracepoints

[karo-tx-linux.git] / arch / x86 / kernel / cpu / mcheck / threshold.c

diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c
index aa578cadb9407df3448fb7de5633a92bc2e77562..fe6b1c86645b668758331b78d93ab8c549ab09c2 100644 (file)
--- a/arch/x86/kernel/cpu/mcheck/threshold.c
+++ b/arch/x86/kernel/cpu/mcheck/threshold.c
@@ -8,6 +8,7 @@
 #include <asm/apic.h>
 #include <asm/idle.h>
 #include <asm/mce.h>
+#include <asm/trace/irq_vectors.h>
 
 static void default_threshold_interrupt(void)
 {
@@ -17,13 +18,24 @@ static void default_threshold_interrupt(void)
 
 void (*mce_threshold_vector)(void) = default_threshold_interrupt;
 
-asmlinkage void smp_threshold_interrupt(void)
+static inline void __smp_threshold_interrupt(void)
 {
-       irq_enter();
-       exit_idle();
        inc_irq_stat(irq_threshold_count);
        mce_threshold_vector();
-       irq_exit();
-       /* Ack only at the end to avoid potential reentry */
-       ack_APIC_irq();
+}
+
+asmlinkage void smp_threshold_interrupt(void)
+{
+       entering_irq();
+       __smp_threshold_interrupt();
+       exiting_ack_irq();
+}
+
+asmlinkage void smp_trace_threshold_interrupt(void)
+{
+       entering_irq();
+       trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR);
+       __smp_threshold_interrupt();
+       trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR);
+       exiting_ack_irq();
 }