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i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available

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Leaf FEAT_XSAVE_XSS_LO and FEAT_XSAVE_XSS_HI also need to be cleared
when CPUID_EXT_XSAVE is not set.

Fixes: 301e90675c ("target/i386: Enable support for XSAVES based features")
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Yang Weijiang <weijiang.yang@intel.com>
Message-ID: <20240115091325.1904229-2-xiaoyao.li@intel.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiaoyao Li 2024-01-15 04:13:24 -05:00 committed by Paolo Bonzini
parent 3ff11e4dca
commit 81f5cad385
1 changed files with 2 additions and 0 deletions
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2
target/i386/cpu.c
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@ -6927,6 +6927,8 @@ static void x86_cpu_enable_xsave_components(X86CPU *cpu)
if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
env->features[FEAT_XSAVE_XCR0_LO] = 0;
env->features[FEAT_XSAVE_XCR0_HI] = 0;
env->features[FEAT_XSAVE_XSS_LO] = 0;
env->features[FEAT_XSAVE_XSS_HI] = 0;
return;
}