Merge remote-tracking branch 'remotes/ehabkost-gl/tags/x86-next-pull-request' into staging

x86 queue, 2021-06-01

Features:
* Add CPU model versions supporting 'xsaves' (Vitaly Kuznetsov)
* Support AVX512 ZMM regs dump (Robert Hoo)

Bug fixes:
* Use better matching family/model/stepping for generic CPUs
  (Daniel P. Berrangé)

Cleanups:
* Hyper-V feature initialization cleanup (Vitaly Kuznetsov)
* SEV firmware error list touchups (Connor Kuehl)
* Constify CPUCaches and X86CPUDefinition (Philippe Mathieu-Daudé)
* Document when features can be added to kvm_default_props
  (Eduardo Habkost)

# gpg: Signature made Tue 01 Jun 2021 19:08:33 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost-gl/tags/x86-next-pull-request: (24 commits)
  sev: add missing firmware error conditions
  sev: use explicit indices for mapping firmware error codes to strings
  target/i386/sev: add support to query the attestation report
  i386: use global kvm_state in hyperv_enabled() check
  i386: prefer system KVM_GET_SUPPORTED_HV_CPUID ioctl over vCPU's one
  i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size
  i386: switch hyperv_expand_features() to using error_setg()
  i386: move eVMCS enablement to hyperv_init_vcpu()
  i386: split hyperv_handle_properties() into hyperv_expand_features()/hyperv_fill_cpuids()
  i386: introduce hv_cpuid_cache
  i386: drop FEAT_HYPERV feature leaves
  i386: introduce hv_cpuid_get_host()
  i386: introduce hyperv_feature_supported()
  i386: stop using env->features[] for filling Hyper-V CPUIDs
  i386: always fill Hyper-V CPUID feature leaves from X86CPU data
  i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough
  i386: keep hyperv_vendor string up-to-date
  i386: use better matching family/model/stepping for 'max' CPU
  i386: use better matching family/model/stepping for 'qemu64' CPU
  i386/cpu_dump: support AVX512 ZMM regs dump
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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