File 30b381cf-cpu-Add-SandyBridge-IBRS-CPU-model.patch of Package libvirt.8586
From 30b381cfdd5e92e5afa6de09f0fe533353e71d07 Mon Sep 17 00:00:00 2001
From: Jiri Denemark <jdenemar@redhat.com>
Date: Mon, 8 Jan 2018 20:53:25 +0100
Subject: [PATCH 08/15] cpu: Add SandyBridge-IBRS CPU model
This is a variant of SandyBridge with indirect branch prediction
protection. The only difference between SandyBridge and SandyBridge-IBRS
is the added "spec-ctrl" feature.
The SandyBridge-IBRS model in QEMU is a bit different since SandyBridge
got several additional features since we added it in cpu_map.xml:
arat, vme, xsaveopt
Adding them only to the -IBRS variant would confuse our CPU detection
code.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
---
src/cpu/cpu_map.xml | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml
index 1536b4f9f..af23ed43e 100644
--- a/src/cpu/cpu_map.xml
+++ b/src/cpu/cpu_map.xml
@@ -1030,6 +1030,50 @@
<feature name='xsave'/>
</model>
+ <model name='SandyBridge-IBRS'>
+ <signature family='6' model='42'/>
+ <vendor name='Intel'/>
+ <feature name='aes'/>
+ <feature name='apic'/>
+ <feature name='avx'/>
+ <feature name='clflush'/>
+ <feature name='cmov'/>
+ <feature name='cx16'/>
+ <feature name='cx8'/>
+ <feature name='de'/>
+ <feature name='fpu'/>
+ <feature name='fxsr'/>
+ <feature name='lahf_lm'/>
+ <feature name='lm'/>
+ <feature name='mca'/>
+ <feature name='mce'/>
+ <feature name='mmx'/>
+ <feature name='msr'/>
+ <feature name='mtrr'/>
+ <feature name='nx'/>
+ <feature name='pae'/>
+ <feature name='pat'/>
+ <feature name='pclmuldq'/>
+ <feature name='pge'/>
+ <feature name='pni'/>
+ <feature name='popcnt'/>
+ <feature name='pse'/>
+ <feature name='pse36'/>
+ <feature name='rdtscp'/>
+ <feature name='sep'/>
+ <feature name='spec-ctrl'/>
+ <feature name='sse'/>
+ <feature name='sse2'/>
+ <feature name='sse4.1'/>
+ <feature name='sse4.2'/>
+ <feature name='ssse3'/>
+ <feature name='syscall'/>
+ <feature name='tsc'/>
+ <feature name='tsc-deadline'/>
+ <feature name='x2apic'/>
+ <feature name='xsave'/>
+ </model>
+
<model name='IvyBridge'>
<signature family='6' model='58'/>
<vendor name='Intel'/>
--
2.15.1