diff options
| author | Paolo Bonzini <[email protected]> | 2021-10-28 13:15:55 -0400 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2022-02-10 13:47:16 -0500 |
| commit | 2746a6b72ab9a92bd188c4ac3e4122ee1c18f754 (patch) | |
| tree | e6158f71d1ee8f01ea9bb57d6de43329714c4ab4 /tools/perf/scripts/python/flamegraph.py | |
| parent | 9d68c6f60eb1fe9f0610cb26e54d466ea1d15278 (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 <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions