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由 Hannes Reinecke 提交于
Windows requires the frames to be unmapped, otherwise we run into a race condition where the updated frame data is not visible to the guest. With that we can simplify the queue algorithm and use a bitmap for tracking free frames. Signed-off-by: NHannes Reinecke <hare@suse.de> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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