diff --git a/qemu/target/i386/cpu.h b/qemu/target/i386/cpu.h
index 721b4fbd..3678be06 100644
--- a/qemu/target/i386/cpu.h
+++ b/qemu/target/i386/cpu.h
@@ -1368,6 +1368,9 @@ struct X86CPU {
     /* Enable auto level-increase for all CPUID leaves */
     bool full_cpuid_auto_level;
 
+    /* Enable auto level-increase for Intel Processor Trace leave */
+    bool intel_pt_auto_level;
+
     /* if true fill the top bits of the MTRR_PHYSMASKn variable range */
     bool fill_mtrr_mask;