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Date:   Wed, 20 Jul 2022 10:56:51 +0300
From:   Alvaro Karsz <>
To:     Jason Wang <>
Cc:     "Michael S. Tsirkin" <>,
        Jakub Kicinski <>,
        netdev <>,
        "David S. Miller" <>,
        Eric Dumazet <>,
        Paolo Abeni <>
Subject: Re: [PATCH net-next v4] net: virtio_net: notifications coalescing support

> And we need an upper limit for those values, this helps for e.g
> migration compatibility.

Why not let the device decide the upper limit, making it device specific?
As written in the spec., a device can answer to the coalescing command
If it was not able to set the requested settings.

If a physical device uses virtio datapath, and can for example
coalesce notifications up to 500us, why should we limit it with a
lower number?

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