File f411b7ef6-Add-TSX-CTRL.patch of Package libvirt

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File f411b7ef6-Add-TSX-CTRL.patch of Package libvirt (Revision 2bbf74b8e2b8586b5fe8104fd6e9fbe6)

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commit f411b7ef68221e82dec0129aaf2f2a26a8987504
Author: Jiri Denemark <jdenemar@redhat.com>
Date:   Thu Dec 12 15:12:05 2019 +0100

cpu_map: Add TSX_CTRL bit for IA32_ARCH_CAPABILITIES MSR
    
    CVE-2019-11135
    
    When TSX_CTRL bit of IA32_ARCH_CAPABILITIES MSR is set to 1, the CPU
    supports IA32_TSX_CTRL MSR which can be used to disable and/or mask TSX.
    
    Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
    Reviewed-by: Ján Tomko <jtomko@redhat.com>

Index: libvirt-5.10.0/src/cpu_map/x86_features.xml
===================================================================
--- libvirt-5.10.0.orig/src/cpu_map/x86_features.xml
+++ libvirt-5.10.0/src/cpu_map/x86_features.xml
@@ -502,6 +502,9 @@
   <feature name='mds-no'>
     <msr index='0x10a' edx='0x00000000' eax='0x00000020'/>
   </feature>
+  <feature name='tsx-ctrl'>
+    <msr index='0x10a' edx='0x00000000' eax='0x00000080'/>
+  </feature>
   <feature name='taa-no'>
     <msr index='0x10a' edx='0x00000000' eax='0x00000100'/>
   </feature>

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File f411b7ef6-Add-TSX-CTRL.patch of Package libvirt (Revision 2bbf74b8e2b8586b5fe8104fd6e9fbe6)

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