From: Jiri Denemark <jdenemar@redhat.com>
Date: Wed, 5 Nov 2025 14:18:36 +0000 (+0100)
Subject: cpu_map: Add feature for detecting Branch History Injection immunity
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=81c20d2c32210d0e64e8fe1c0c3a1ea66b800b51;p=thirdparty%2Flibvirt.git

cpu_map: Add feature for detecting Branch History Injection immunity

QEMU commit b611931d4f70b9a3e49e39c405c63b3b5e9c0df1

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
---

diff --git a/src/cpu_map/sync_qemu_models_i386.py b/src/cpu_map/sync_qemu_models_i386.py
index b9698366d4..bbd7a00016 100755
--- a/src/cpu_map/sync_qemu_models_i386.py
+++ b/src/cpu_map/sync_qemu_models_i386.py
@@ -194,6 +194,7 @@ def translate_feature(name):
         "MSR_ARCH_CAP_SBDR_SSDP_NO": "sbdr-ssdp-no",
         "MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY": "skip-l1dfl-vmentry",
         "MSR_ARCH_CAP_TAA_NO": "taa-no",
+        "MSR_ARCH_CAP_BHI_NO": "bhi-no",
         "MSR_CORE_CAP_SPLIT_LOCK_DETECT": "split-lock-detect",
 
         # FEAT_VMX_PROCBASED_CTLS
diff --git a/src/cpu_map/x86_features.xml b/src/cpu_map/x86_features.xml
index c79cffab19..d6b55a5377 100644
--- a/src/cpu_map/x86_features.xml
+++ b/src/cpu_map/x86_features.xml
@@ -895,6 +895,9 @@
   <feature name='fb-clear'>
     <msr index='0x0000010a' edx='0x00000000' eax='0x00020000'/>
   </feature>
+  <feature name='bhi-no'>
+    <msr index='0x0000010a' edx='0x00000000' eax='0x00100000'/>
+  </feature>
   <feature name='pbrsb-no'>
     <msr index='0x0000010a' edx='0x00000000' eax='0x01000000'/>
   </feature>