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[win-pv-devel] [PATCH 2/2] Do more optimization in release builds and add /Qspectre flag

Spectre mitigations apparently only work on optimized code.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 vs2017/xen/xen.vcxproj         | 12 ++++++++++--
 vs2017/xenbus/xenbus.vcxproj   | 12 ++++++++++--
 vs2017/xenfilt/xenfilt.vcxproj | 12 ++++++++++--
 3 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/vs2017/xen/xen.vcxproj b/vs2017/xen/xen.vcxproj
index de215c0..e277127 100644
--- a/vs2017/xen/xen.vcxproj
+++ b/vs2017/xen/xen.vcxproj
@@ -22,8 +22,9 @@
     <ClCompile>
       
<AdditionalIncludeDirectories>$(WindowsSdkDir)\include\km;..\..\include;..\..\include\xen;..\..\src\common;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       
<PreprocessorDefinitions>__MODULE__="XEN";POOL_NX_OPTIN=1;NT_PROCESSOR_GROUPS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
       <WarningLevel>EnableAllWarnings</WarningLevel>
-      
<DisableSpecificWarnings>4464;4711;4548;4820;4668;4255;6001;6054;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      
<DisableSpecificWarnings>4464;4711;4770;4548;4820;4668;4255;6001;6054;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <EnablePREfast>true</EnablePREfast>
     </ClCompile>
@@ -33,8 +34,8 @@
     <Link>
       <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
       
<AdditionalDependencies>$(DDK_LIB_PATH)/libcntpr.lib;$(DDK_LIB_PATH)/aux_klib.lib;$(DDK_LIB_PATH)/procgrp.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      
<LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
       <ModuleDefinitionFile>../../src/xen/xen.def</ModuleDefinitionFile>
-      <EnableCOMDATFolding>false</EnableCOMDATFolding>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Platform)'=='Win32'">
@@ -47,6 +48,13 @@
       
<PreprocessorDefinitions>__x86_64__;%(PreprocessorDefinitions);_AMD64_</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Windows 8 Release'">
+    <ClCompile>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <AdditionalOptions>/Qspectre %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <FilesToPackage Include="$(TargetPath)" />
     <FilesToPackage Include="$(OutDir)$(TargetName).pdb" />
diff --git a/vs2017/xenbus/xenbus.vcxproj b/vs2017/xenbus/xenbus.vcxproj
index 038d3d7..f3e62ec 100644
--- a/vs2017/xenbus/xenbus.vcxproj
+++ b/vs2017/xenbus/xenbus.vcxproj
@@ -21,9 +21,10 @@
   <ItemDefinitionGroup>
     <ClCompile>
       
<PreprocessorDefinitions>__MODULE__="XENBUS";POOL_NX_OPTIN=1;NT_PROCESSOR_GROUPS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
       
<AdditionalIncludeDirectories>$(WindowsSdkDir)\include\km;..\..\include;..\..\include\xen;..\..\src\common;</AdditionalIncludeDirectories>
       <WarningLevel>EnableAllWarnings</WarningLevel>
-      
<DisableSpecificWarnings>4464;4711;4548;4820;4668;4255;6001;6054;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      
<DisableSpecificWarnings>4464;4711;4770;4548;4820;4668;4255;6001;6054;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <EnablePREfast>true</EnablePREfast>
     </ClCompile>
@@ -33,7 +34,7 @@
     <Link>
       <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
       
<AdditionalDependencies>$(ProjectDir)..\$(ConfigurationName)\$(Platform)\xen.lib;$(DDK_LIB_PATH)/libcntpr.lib;$(DDK_LIB_PATH)/procgrp.lib;$(DDK_LIB_PATH)/rtlver.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <EnableCOMDATFolding>false</EnableCOMDATFolding>
+      
<LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
     <Inf>
       <SpecifyArchitecture>true</SpecifyArchitecture>
@@ -58,6 +59,13 @@
       <Architecture>amd64</Architecture>
     </Inf>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Windows 8 Release'">
+    <ClCompile>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <AdditionalOptions>/Qspectre %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <FilesToPackage Include="$(TargetPath)" />
     <FilesToPackage Include="$(OutDir)$(TargetName).pdb" />
diff --git a/vs2017/xenfilt/xenfilt.vcxproj b/vs2017/xenfilt/xenfilt.vcxproj
index fe6ba38..941057e 100644
--- a/vs2017/xenfilt/xenfilt.vcxproj
+++ b/vs2017/xenfilt/xenfilt.vcxproj
@@ -21,9 +21,10 @@
   <ItemDefinitionGroup>
     <ClCompile>
       
<PreprocessorDefinitions>__MODULE__="XENFILT";POOL_NX_OPTIN=1;NT_PROCESSOR_GROUPS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
       
<AdditionalIncludeDirectories>$(WindowsSdkDir)\include\km;..\..\include;..\..\include\xen;..\..\src\common;</AdditionalIncludeDirectories>
       <WarningLevel>EnableAllWarnings</WarningLevel>
-      
<DisableSpecificWarnings>4464;4711;4548;4820;4668;4255;6001;6054;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      
<DisableSpecificWarnings>4464;4711;4770;4548;4820;4668;4255;6001;6054;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <EnablePREfast>true</EnablePREfast>
     </ClCompile>
@@ -33,7 +34,7 @@
     <Link>
       <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
       
<AdditionalDependencies>$(ProjectDir)..\$(ConfigurationName)\$(Platform)\xen.lib;$(DDK_LIB_PATH)/libcntpr.lib;$(DDK_LIB_PATH)/procgrp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <EnableCOMDATFolding>false</EnableCOMDATFolding>
+      
<LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Platform)'=='Win32'">
@@ -46,6 +47,13 @@
       
<PreprocessorDefinitions>__x86_64__;%(PreprocessorDefinitions);_AMD64_</PreprocessorDefinitions>
     </ClCompile>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Windows 8 Release'">
+    <ClCompile>
+      <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
+      <WholeProgramOptimization>true</WholeProgramOptimization>
+      <AdditionalOptions>/Qspectre %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <FilesToPackage Include="$(TargetPath)" />
     <FilesToPackage Include="$(OutDir)$(TargetName).pdb" />
-- 
2.5.3


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