File i386-cpu-Remove-AVX_VNNI-feature-from-Co.patch of Package qemu

Overview Repositories Revisions Requests Users Attributes Meta

File i386-cpu-Remove-AVX_VNNI-feature-from-Co.patch of Package qemu (Revision 8da59c9c3853bac26fad2fee83f42cf5)

Currently displaying revision 8da59c9c3853bac26fad2fee83f42cf5 , Show latest

From: Yang Zhong <yang.zhong@intel.com>
Date: Fri, 20 Aug 2021 13:46:11 +0800
Subject: i386/cpu: Remove AVX_VNNI feature from Cooperlake cpu model

Git-commit: f429dbf8fc526a9cacf531176b28d0c65701475a

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>
Signed-off-by: Jose R. Ziviani <jziviani@suse.de>
---
 target/i386/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 34a7ce865bba4dcf759c719a2bb6..24ddc5b92654534742f80ca571ce 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -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 |

Places

File i386-cpu-Remove-AVX_VNNI-feature-from-Co.patch of Package qemu (Revision 8da59c9c3853bac26fad2fee83f42cf5)

Places