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authorJim Mattson <jmattson@google.com>2019-03-27 13:15:36 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2019-05-24 21:27:06 +0200
commit32a243df82c8dc04ccba7fc6c6564ae9261cb738 (patch)
tree92b54972850c5423e5559ec0f9ff193dddaf77a3 /block
parent319f6f97e3a16c38795168753db8740f77b156c9 (diff)
kvm: x86: Include multiple indices with CPUID leaf 0x8000001d
Per the APM, "CPUID Fn8000_001D_E[D,C,B,A]X reports cache topology information for the cache enumerated by the value passed to the instruction in ECX, referred to as Cache n in the following description. To gather information for all cache levels, software must repeatedly execute CPUID with 8000_001Dh in EAX and ECX set to increasing values beginning with 0 until a value of 00h is returned in the field CacheType (EAX[4:0]) indicating no more cache descriptions are available for this processor." The termination condition is the same as leaf 4, so we can reuse that code block for leaf 0x8000001d. Fixes: 8765d75329a38 ("KVM: X86: Extend CPUID range to include new leaf") Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Borislav Petkov <bp@suse.de> Signed-off-by: Jim Mattson <jmattson@google.com> Reviewed-by: Marc Orr <marcorr@google.com> Reviewed-by: Borislav Petkov <bp@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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