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    SubjectRe: [PATCH net] Revert "vhost: cache used event for better performance"
    On 07/26/2017 10:03 AM, Jason Wang wrote:
    > This reverts commit 809ecb9bca6a9424ccd392d67e368160f8b76c92. Since it
    > was reported to break vhost_net. We want to cache used event and use
    > it to check for notification. We try to valid cached used event by
    > checking whether or not it was ahead of new, but this is not correct
    > all the time, it could be stale and there's no way to know about this.
    > Signed-off-by: Jason Wang <>

    This would then qualify for stable ?

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