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| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-08-26 13:00:00 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-09-01 08:37:04 +0200 |
| commit | 4802bf910eee98312c4a9777ac2567e6a0445c46 (patch) | |
| tree | 7c1d4d078912c9f41362d4109504ead108066298 /scripts/qapi/expr.py | |
| parent | e3af71e9009de156665df67b9bdf5bc192aae215 (diff) | |
| download | focaccia-qemu-4802bf910eee98312c4a9777ac2567e6a0445c46.tar.gz focaccia-qemu-4802bf910eee98312c4a9777ac2567e6a0445c46.zip | |
KVM: dirty ring: add missing memory barrier
The KVM_DIRTY_GFN_F_DIRTY flag ensures that the entry is valid. If the read of the fields are not ordered after the read of the flag, QEMU might see stale values. Cc: Gavin Shan <gshan@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'scripts/qapi/expr.py')
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