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

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

Spectre mitigations apparently only work on optimized code.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 vs2017/xennet/xennet.vcxproj | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/vs2017/xennet/xennet.vcxproj b/vs2017/xennet/xennet.vcxproj
index f20bf31..387cdf5 100644
--- a/vs2017/xennet/xennet.vcxproj
+++ b/vs2017/xennet/xennet.vcxproj
@@ -23,9 +23,10 @@
   <ItemDefinitionGroup>
     <ClCompile>
       
<PreprocessorDefinitions>__MODULE__="XENNET";NDIS_MINIPORT_DRIVER;NDIS_WDM=1;NDIS61_MINIPORT=1;POOL_NX_OPTIN=1;NT_PROCESSOR_GROUPS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
       
<AdditionalIncludeDirectories>$(WindowsSdkDir)\include\km;..\..\include;..\..\include\xen;</AdditionalIncludeDirectories>
       <WarningLevel>EnableAllWarnings</WarningLevel>
-      
<DisableSpecificWarnings>4464;4711;4548;4820;4668;4255;6001;6054;28160;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
+      
<DisableSpecificWarnings>4464;4711;4770;4548;4820;4668;4255;6001;6054;28160;28196;30030;30029;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <EnablePREfast>true</EnablePREfast>
     </ClCompile>
@@ -35,7 +36,7 @@
     <Link>
       <ImageHasSafeExceptionHandlers>false</ImageHasSafeExceptionHandlers>
       
<AdditionalDependencies>$(DDK_LIB_PATH)\ndis.lib;$(DDK_LIB_PATH)/libcntpr.lib;$(DDK_LIB_PATH)/aux_klib.lib;$(DDK_LIB_PATH)/procgrp.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <EnableCOMDATFolding>false</EnableCOMDATFolding>
+      
<LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
     <Inf>
       <SpecifyArchitecture>true</SpecifyArchitecture>
@@ -60,7 +61,14 @@
       <Architecture>amd64</Architecture>
     </Inf>
   </ItemDefinitionGroup>
-  <ItemGroup>
+  <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" />
     <FilesToPackage Include="@(Inf->'%(CopyOutput)')" Condition="'@(Inf)'!=''" 
/>
-- 
2.5.3


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