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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2021-10-28 13:15:55 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-02-10 13:47:16 -0500 |
| commit | 2746a6b72ab9a92bd188c4ac3e4122ee1c18f754 (patch) | |
| tree | e6158f71d1ee8f01ea9bb57d6de43329714c4ab4 /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | KVM: x86: Remove unused "flags" of kvm_pv_kick_cpu_op() (diff) | |
KVM: x86: skip host CPUID call for hypervisor leaves
Hypervisor leaves are always synthesized by __do_cpuid_func; just return
zeroes and do not ask the host. Even on nested virtualization, a value
from another hypervisor would be bogus, because all hypercalls and MSRs
are processed by KVM.
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions