From 9f2ce634148d0c54e2aec149bbd6b36da0456649 Mon Sep 17 00:00:00 2001
From: Luwei Kang <luwei.kang@intel.com>
Date: Mon, 11 Mar 2019 16:39:51 -0400
Subject: [PATCH] i386: extended the cpuid_level when Intel PT is enabled

Intel Processor Trace required CPUID[0x14] but the cpuid_level
have no change when create a kvm guest with
e.g. "-cpu qemu64,+intel-pt

Backports relevant bits of commit
f24c3a79a415042f6dc195f029a2ba7247d14cac from qemu
---
 qemu/target/i386/cpu.h | 3 +++
 1 file changed, 3 insertions(+)

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;