mirror of https://gitee.com/openkylin/linux.git
KVM: Fix cpuid leaf 0xb loop termination
For cpuid leaf 0xb the bits 8-15 in ECX register define the end of counting leaf. The previous code was using bits 0-7 for this purpose, which is a bug. Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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@ -1276,7 +1276,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
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entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
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/* read more entries until level_type is zero */
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for (i = 1; *nent < maxnent; ++i) {
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level_type = entry[i - 1].ecx & 0xff;
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level_type = entry[i - 1].ecx & 0xff00;
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if (!level_type)
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break;
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do_cpuid_1_ent(&entry[i], function, i);
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