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-rw-r--r--target/i386/cpu.c2
-rw-r--r--target/i386/cpu.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1dde34dce7..a05d3a641b 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -986,7 +986,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             NULL, NULL, "avx512-4vnniw", "avx512-4fmaps",
             NULL, NULL, NULL, NULL,
             "avx512-vp2intersect", NULL, "md-clear", NULL,
-            NULL, NULL, NULL, NULL,
+            NULL, NULL, "serialize", NULL,
             NULL, NULL, NULL /* pconfig */, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, "spec-ctrl", "stibp",
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 9284f96896..bd71fe3ef2 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -777,6 +777,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
 #define CPUID_7_0_EDX_AVX512_4FMAPS     (1U << 3)
 /* AVX512 Vector Pair Intersection to a Pair of Mask Registers */
 #define CPUID_7_0_EDX_AVX512_VP2INTERSECT (1U << 8)
+/* SERIALIZE instruction */
+#define CPUID_7_0_EDX_SERIALIZE         (1U << 14)
 /* Speculation Control */
 #define CPUID_7_0_EDX_SPEC_CTRL         (1U << 26)
 /* Single Thread Indirect Branch Predictors */