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[PATCH 1/7] target/i386: Add FEAT_7_1_EDX to adjust feature level
From: |
Tao Su |
Subject: |
[PATCH 1/7] target/i386: Add FEAT_7_1_EDX to adjust feature level |
Date: |
Fri, 16 Jun 2023 11:23:05 +0800 |
Considering the case of FEAT_7_1_EAX being 0 and FEAT_7_1_EDX being
non-zero, guest may report wrong maximum number sub-leaves in leaf
07H. So add FEAT_7_1_EDX to adjust feature level.
Fixes: eaaa197d5b11 ("target/i386: Add support for AVX-VNNI-INT8 in CPUID
enumeration")
Signed-off-by: Tao Su <tao1.su@linux.intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
target/i386/cpu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1242bd541a..e8a70c35d2 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6778,6 +6778,7 @@ void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX);
x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX);
x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EAX);
+ x86_cpu_adjust_feat_level(cpu, FEAT_7_1_EDX);
x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX);
x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX);
x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX);
--
2.34.1
- [PATCH 0/7] Add new CPU model EmeraldRapids and GraniteRapids, Tao Su, 2023/06/15
- [PATCH 1/7] target/i386: Add FEAT_7_1_EDX to adjust feature level,
Tao Su <=
- [PATCH 2/7] target/i386: Add support for MCDT_NO in CPUID enumeration, Tao Su, 2023/06/15
- [PATCH 3/7] target/i386: Allow MCDT_NO if host supports, Tao Su, 2023/06/15
- [PATCH 4/7] target/i386: Add new bit definitions of MSR_IA32_ARCH_CAPABILITIES, Tao Su, 2023/06/15
- [PATCH 5/7] target/i386: Add few security fix bits in ARCH_CAPABILITIES into SapphireRapids CPU model, Tao Su, 2023/06/15