diff --git a/src/cpu_map/x86_features.xml b/src/cpu_map/x86_features.xml
index c0f6a3c6d0..e4056ef1a0 100644
--- a/src/cpu_map/x86_features.xml
+++ b/src/cpu_map/x86_features.xml
@@ -399,6 +399,9 @@
   <feature name='stibp'>
     <cpuid eax_in='0x07' ecx_in='0x00' edx='0x08000000'/>
   </feature>
+  <feature name='flush-l1d'>
+    <cpuid eax_in='0x07' ecx_in='0x00' edx='0x10000000'/>
+  </feature>
   <feature name='arch-capabilities'>
     <alias name='arch_capabilities' source='linux'/>
     <cpuid eax_in='0x07' ecx_in='0x00' edx='0x20000000'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Atom-P5362-disabled.xml b/tests/cputestdata/x86_64-cpuid-Atom-P5362-disabled.xml
index dad3c90e6b..fab2d4d85c 100644
--- a/tests/cputestdata/x86_64-cpuid-Atom-P5362-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Atom-P5362-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x080041dc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000020' edx='0x40000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000020' edx='0x50000000'/>
   <cpuid eax_in='0x0000000f' ecx_in='0x01' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000006'/>
   <cpuid eax_in='0x00000014' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x80000000' edx='0x00000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Atom-P5362-guest.xml b/tests/cputestdata/x86_64-cpuid-Atom-P5362-guest.xml
index a21d044bd4..c595f04e32 100644
--- a/tests/cputestdata/x86_64-cpuid-Atom-P5362-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Atom-P5362-guest.xml
@@ -24,6 +24,7 @@
   <feature policy='require' name='rdpid'/>
   <feature policy='require' name='md-clear'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='mbm_total'/>
   <feature policy='require' name='mbm_local'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Atom-P5362-host.xml b/tests/cputestdata/x86_64-cpuid-Atom-P5362-host.xml
index 9712ecaf63..074342911a 100644
--- a/tests/cputestdata/x86_64-cpuid-Atom-P5362-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Atom-P5362-host.xml
@@ -47,6 +47,7 @@
   <feature name='movdir64b'/>
   <feature name='md-clear'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='arch-capabilities'/>
   <feature name='core-capability'/>
   <feature name='ssbd'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Cooperlake-disabled.xml b/tests/cputestdata/x86_64-cpuid-Cooperlake-disabled.xml
index e7c59cef1e..3b9ca13ad4 100644
--- a/tests/cputestdata/x86_64-cpuid-Cooperlake-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Cooperlake-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0804c1dc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x00000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x10000000'/>
   <cpuid eax_in='0x0000000f' ecx_in='0x01' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000006'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Cooperlake-guest.xml b/tests/cputestdata/x86_64-cpuid-Cooperlake-guest.xml
index f169458399..ff516a47c7 100644
--- a/tests/cputestdata/x86_64-cpuid-Cooperlake-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Cooperlake-guest.xml
@@ -24,6 +24,7 @@
   <feature policy='require' name='intel-pt'/>
   <feature policy='require' name='ospke'/>
   <feature policy='require' name='md-clear'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='mbm_total'/>
   <feature policy='require' name='mbm_local'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Cooperlake-host.xml b/tests/cputestdata/x86_64-cpuid-Cooperlake-host.xml
index 6ac4ad55ef..8dfc62a5c1 100644
--- a/tests/cputestdata/x86_64-cpuid-Cooperlake-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Cooperlake-host.xml
@@ -26,6 +26,7 @@
   <feature name='intel-pt'/>
   <feature name='ospke'/>
   <feature name='md-clear'/>
+  <feature name='flush-l1d'/>
   <feature name='xsaves'/>
   <feature name='mbm_total'/>
   <feature name='mbm_local'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-disabled.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-disabled.xml
index 2b9aef78a2..7eece82aff 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-disabled.xml
@@ -1,6 +1,6 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0800c1dc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x00000000' edx='0x08000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x00000000' edx='0x18000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-guest.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-guest.xml
index 5cf7778d55..b6e643cd08 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-guest.xml
@@ -22,6 +22,7 @@
   <feature policy='require' name='clflushopt'/>
   <feature policy='require' name='intel-pt'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-host.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-host.xml
index fa51fcdd0c..2a7493f941 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-7600U-host.xml
@@ -24,6 +24,7 @@
   <feature name='clflushopt'/>
   <feature name='intel-pt'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='xsaves'/>
   <feature name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-disabled.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-disabled.xml
index 910f466b98..b6daaf2e50 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-disabled.xml
@@ -1,6 +1,6 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0800c19c' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x00000000' edx='0x00000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x00000000' edx='0x10000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-guest.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-guest.xml
index 1d93d13aaa..5ed8ac37a3 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-guest.xml
@@ -22,6 +22,7 @@
   <feature policy='require' name='intel-pt'/>
   <feature policy='require' name='md-clear'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-host.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-host.xml
index 8e32872bf2..805a31411d 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-8550U-host.xml
@@ -24,6 +24,7 @@
   <feature name='intel-pt'/>
   <feature name='md-clear'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='xsaves'/>
   <feature name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-8700-disabled.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-8700-disabled.xml
index bffdae01da..fd9b8435ab 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-8700-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-8700-disabled.xml
@@ -1,6 +1,6 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0800c1fc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x40000000' edx='0x08000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x40000000' edx='0x18000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-8700-guest.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-8700-guest.xml
index 99874701de..6cedb93633 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-8700-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-8700-guest.xml
@@ -23,6 +23,7 @@
   <feature policy='require' name='intel-pt'/>
   <feature policy='require' name='sgxlc'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Core-i7-8700-host.xml b/tests/cputestdata/x86_64-cpuid-Core-i7-8700-host.xml
index 8e5cab50bb..0cc65b4322 100644
--- a/tests/cputestdata/x86_64-cpuid-Core-i7-8700-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Core-i7-8700-host.xml
@@ -25,6 +25,7 @@
   <feature name='intel-pt'/>
   <feature name='sgxlc'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='xsaves'/>
   <feature name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-disabled.xml b/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-disabled.xml
index 2769427a85..2f15f36fd1 100644
--- a/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0804c1fc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001004' ecx='0x40400010' edx='0x00000010'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001004' ecx='0x40400010' edx='0x10000010'/>
   <cpuid eax_in='0x0000000f' ecx_in='0x01' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000006'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-guest.xml b/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-guest.xml
index 13147e354e..38d95680d3 100644
--- a/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-guest.xml
@@ -29,6 +29,7 @@
   <feature policy='require' name='sgxlc'/>
   <feature policy='require' name='fsrm'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='arch-capabilities'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-host.xml b/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-host.xml
index aa2514eb60..ccb74f41ef 100644
--- a/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Ice-Lake-Server-host.xml
@@ -31,6 +31,7 @@
   <feature name='sgxlc'/>
   <feature name='fsrm'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='arch-capabilities'/>
   <feature name='xsaves'/>
   <feature name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-disabled.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-disabled.xml
index 9e83f4c534..fb9a4988ad 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0800c1fc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x00000000' edx='0x00000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02000004' ecx='0x00000000' edx='0x10000000'/>
   <cpuid eax_in='0x0000000d' ecx_in='0x01' eax='0x00000008' ebx='0x00000000' ecx='0x00000000' edx='0x00000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-guest.xml
index 7555bc075e..ea1c79c0df 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-guest.xml
@@ -23,6 +23,7 @@
   <feature policy='require' name='intel-pt'/>
   <feature policy='require' name='md-clear'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-host.xml
index 1d257a0828..d7a7f30b9e 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E3-1225-v5-host.xml
@@ -25,6 +25,7 @@
   <feature name='intel-pt'/>
   <feature name='md-clear'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='xsaves'/>
   <feature name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-disabled.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-disabled.xml
index d9538892eb..0b2719826b 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-disabled.xml
@@ -1,5 +1,6 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0804c1fc' edx='0xb0600000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x10000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-guest.xml
index e507642df1..db1efe0549 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-guest.xml
@@ -22,6 +22,7 @@
   <feature policy='require' name='osxsave'/>
   <feature policy='require' name='arat'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='xsaveopt'/>
   <feature policy='require' name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-host.xml
index 628900fd2c..6f2de0ca5b 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E5-2650-host.xml
@@ -24,6 +24,7 @@
   <feature name='osxsave'/>
   <feature name='arat'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='xsaveopt'/>
   <feature name='pdpe1gb'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E7540-disabled.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E7540-disabled.xml
index 49737fbdb1..d69b7df095 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E7540-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E7540-disabled.xml
@@ -1,5 +1,6 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0004c1bc' edx='0xb0600000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x10000000'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E7540-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E7540-guest.xml
index fc3e95253b..fbc05fe0d8 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E7540-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E7540-guest.xml
@@ -19,6 +19,7 @@
   <feature policy='require' name='dca'/>
   <feature policy='require' name='x2apic'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='rdtscp'/>
   <feature policy='require' name='invtsc'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-E7540-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-E7540-host.xml
index ee526e7119..15fea29e06 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-E7540-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-E7540-host.xml
@@ -21,6 +21,7 @@
   <feature name='dca'/>
   <feature name='x2apic'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='rdtscp'/>
   <feature name='invtsc'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-disabled.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-disabled.xml
index e7c59cef1e..3b9ca13ad4 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0804c1dc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x00000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x10000000'/>
   <cpuid eax_in='0x0000000f' ecx_in='0x01' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000006'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-guest.xml
index c21cb1e600..f4f0199607 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-guest.xml
@@ -26,6 +26,7 @@
   <feature policy='require' name='ospke'/>
   <feature policy='require' name='md-clear'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='ssbd'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-host.xml
index fba4ccf506..325c2fe26f 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-6130-host.xml
@@ -28,6 +28,7 @@
   <feature name='ospke'/>
   <feature name='md-clear'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='ssbd'/>
   <feature name='xsaves'/>
   <feature name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-disabled.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-disabled.xml
index 7d719a8b52..8e4e478cf1 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0804c1fc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x28000400'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x38000400'/>
   <cpuid eax_in='0x0000000f' ecx_in='0x01' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000006'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
   <msr index='0x10a' edx='0x00000000' eax='0x00000020'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-guest.xml
index 988fb1dbdc..8fd1611842 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-guest.xml
@@ -25,6 +25,7 @@
   <feature policy='require' name='ospke'/>
   <feature policy='require' name='md-clear'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='arch-capabilities'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-host.xml
index 96effe5684..7055c72112 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-8268-host.xml
@@ -27,6 +27,7 @@
   <feature name='ospke'/>
   <feature name='md-clear'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='arch-capabilities'/>
   <feature name='xsaves'/>
   <feature name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-disabled.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-disabled.xml
index e7c59cef1e..3b9ca13ad4 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-disabled.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-disabled.xml
@@ -1,7 +1,7 @@
 <!-- Features disabled by QEMU -->
 <cpudata arch='x86'>
   <cpuid eax_in='0x00000001' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x0804c1dc' edx='0xb0600000'/>
-  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x00000000'/>
+  <cpuid eax_in='0x00000007' ecx_in='0x00' eax='0x00000000' ebx='0x02001000' ecx='0x00000010' edx='0x10000000'/>
   <cpuid eax_in='0x0000000f' ecx_in='0x01' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000006'/>
   <cpuid eax_in='0x80000007' ecx_in='0x00' eax='0x00000000' ebx='0x00000000' ecx='0x00000000' edx='0x00000100'/>
 </cpudata>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-guest.xml
index faabdde8a0..88c2d84d65 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-guest.xml
@@ -25,6 +25,7 @@
   <feature policy='require' name='ospke'/>
   <feature policy='require' name='md-clear'/>
   <feature policy='require' name='stibp'/>
+  <feature policy='require' name='flush-l1d'/>
   <feature policy='require' name='arch-capabilities'/>
   <feature policy='require' name='xsaves'/>
   <feature policy='require' name='mbm_total'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-host.xml
index ea51fc40a1..5e59520919 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Platinum-9242-host.xml
@@ -27,6 +27,7 @@
   <feature name='ospke'/>
   <feature name='md-clear'/>
   <feature name='stibp'/>
+  <feature name='flush-l1d'/>
   <feature name='arch-capabilities'/>
   <feature name='xsaves'/>
   <feature name='mbm_total'/>