i386/cpu: Remove AVX_VNNI feature from Cooperlake cpu model
authorYang Zhong <yang.zhong@intel.com>
Fri, 20 Aug 2021 05:46:11 +0000 (13:46 +0800)
committerEduardo Habkost <ehabkost@redhat.com>
Wed, 25 Aug 2021 16:36:49 +0000 (12:36 -0400)
The AVX_VNNI feature is not in Cooperlake platform, remove it
from cpu model.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20210820054611.84303-1-yang.zhong@intel.com>
Fixes: c1826ea6a052 ("i386/cpu: Expose AVX_VNNI instruction to guest")
Cc: qemu-stable@nongnu.org
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
target/i386/cpu.c

index aebf81d9c981a503646f39952d0010c0efff77b6..97e250e8760d948f0fd59b9d9782a694e557a97a 100644 (file)
@@ -3102,7 +3102,7 @@ static const X86CPUDefinition builtin_x86_defs[] = {
             MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY | MSR_ARCH_CAP_MDS_NO |
             MSR_ARCH_CAP_PSCHANGE_MC_NO | MSR_ARCH_CAP_TAA_NO,
         .features[FEAT_7_1_EAX] =
-            CPUID_7_1_EAX_AVX_VNNI | CPUID_7_1_EAX_AVX512_BF16,
+            CPUID_7_1_EAX_AVX512_BF16,
         /* XSAVES is added in version 2 */
         .features[FEAT_XSAVE] =
             CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |