diff options
| 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 /contrib | |
| parent | e3af71e9009de156665df67b9bdf5bc192aae215 (diff) | |
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 'contrib')
0 files changed, 0 insertions, 0 deletions