libvirt/1006-cpu-add-CPU-features-a...

143 lines
3.8 KiB
Diff

From ac0e85360cd8f25160b67ee9fb45663d20f82c1d Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 19 Jun 2018 16:51:13 +0100
Subject: [PATCH 17/19] cpu: add CPU features and model for indirect branch
prediction protection
CVE-2017-5715
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jiri Denemark <jdenemar@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 8e7ac4973d..c31e7ce36a 100644
--- a/src/cpu/cpu_map.xml
+++ b/src/cpu/cpu_map.xml
@@ -283,6 +283,9 @@
<feature name='avx512-4fmaps'>
<cpuid eax_in='0x07' ecx_in='0x00' edx='0x00000008'/>
</feature>
+ <feature name='spec-ctrl'>
+ <cpuid eax_in='0x07' ecx_in='0x00' edx='0x04000000'/>
+ </feature>
<!-- Processor Extended State Enumeration sub leaf 1 -->
<feature name='xsaveopt'>
@@ -411,6 +414,11 @@
<cpuid eax_in='0x80000007' edx='0x00000100'/>
</feature>
+ <!-- More AMD-specific features -->
+ <feature name='ibpb'>
+ <cpuid eax_in='0x80000008' ebx='0x00001000'/>
+ </feature>
+
<!-- models -->
<model name='486'>
<feature name='fpu'/>
@@ -857,6 +865,10 @@
<feature name='syscall'/>
<feature name='tsc'/>
</model>
+ <model name='Nehalem-IBRS'>
+ <model name='Nehalem'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='Westmere'>
<signature family='6' model='44'/>
@@ -894,6 +906,10 @@
<feature name='syscall'/>
<feature name='tsc'/>
</model>
+ <model name='Westmere-IBRS'>
+ <model name='Westmere'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='SandyBridge'>
<signature family='6' model='42'/>
@@ -937,6 +953,10 @@
<feature name='x2apic'/>
<feature name='xsave'/>
</model>
+ <model name='SandyBridge-IBRS'>
+ <model name='SandyBridge'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='IvyBridge'>
<signature family='6' model='58'/>
@@ -986,6 +1006,10 @@
<feature name='x2apic'/>
<feature name='xsave'/>
</model>
+ <model name='IvyBridge-IBRS'>
+ <model name='IvyBridge'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='Haswell-noTSX'>
<signature family='6' model='60'/>
@@ -1039,6 +1063,10 @@
<feature name='x2apic'/>
<feature name='xsave'/>
</model>
+ <model name='Haswell-noTSX-IBRS'>
+ <model name='Haswell-noTSX'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='Haswell'>
<signature family='6' model='60'/>
@@ -1094,6 +1122,10 @@
<feature name='x2apic'/>
<feature name='xsave'/>
</model>
+ <model name='Haswell-IBRS'>
+ <model name='Haswell'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='Broadwell-noTSX'>
<signature family='6' model='61'/>
@@ -1151,6 +1183,10 @@
<feature name='x2apic'/>
<feature name='xsave'/>
</model>
+ <model name='Broadwell-noTSX-IBRS'>
+ <model name='Broadwell-noTSX'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='Broadwell'>
<signature family='6' model='61'/>
@@ -1210,6 +1246,10 @@
<feature name='x2apic'/>
<feature name='xsave'/>
</model>
+ <model name='Broadwell-IBRS'>
+ <model name='Broadwell'/>
+ <feature name='spec-ctrl'/>
+ </model>
<model name='Skylake-Client'>
<signature family='6' model='94'/>
@@ -1278,6 +1318,10 @@
<feature name='xsavec'/>
<feature name='xsaveopt'/>
</model>
+ <model name='Skylake-Client-IBRS'>
+ <model name='Skylake-Client'/>
+ <feature name='spec-ctrl'/>
+ </model>
<!-- AMD CPUs -->
<model name='athlon'>
--
2.17.0