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    SubjectRe: [PATCH v9 00/17] Introduce VDUSE - vDPA Device in Userspace
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    Hi, yongji.

    In vduse patches serial[1], you said "The support for other device types
    can be added after the security issue of corresponding device driver
    is clarified or fixed in the future."

    What does this "security issue" mean?

    [1]https://lore.kernel.org/all/20210831103634.33-1-xieyongji@bytedance.com/

    Do you mean that vduse device is untrusted, so we should check config or
    data transferred
    from vduse to virtio module? Or something others?
    Because I found you added some validation in virtio module just like
    this patch[2].

    [2]https://lore.kernel.org/lkml/20210531135852.113-1-xieyongji@bytedance.com/

    Thanks!
    Xiangdong Liu

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