diff options
| author | Sean Christopherson <[email protected]> | 2022-02-02 00:49:45 +0000 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2022-04-13 13:37:48 -0400 |
| commit | 5d6c7de6446e9ab3fb41d6f7d82770e50998f3de (patch) | |
| tree | e261522c73654e70f39b57475c699d44855567b9 /tools/perf/scripts/python/flamegraph.py | |
| parent | 1c2361f667f3648855ceae25f1332c18413fdb9f (diff) | |
KVM: x86: Bail to userspace if emulation of atomic user access faults
Exit to userspace when emulating an atomic guest access if the CMPXCHG on
the userspace address faults. Emulating the access as a write and thus
likely treating it as emulated MMIO is wrong, as KVM has already
confirmed there is a valid, writable memslot.
Signed-off-by: Sean Christopherson <[email protected]>
Message-Id: <[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