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Date:   Tue, 11 Aug 2020 21:18:30 -0600
From:   David Ahern <>
To:     Eric Dumazet <>,
        "David S . Miller" <>
Cc:     netdev <>,
        Eric Dumazet <>,
        Maciej ┼╗enczykowski <>,
        Alex Belits <>,
        Nitesh Narayan Lal <>,
        Peter Zijlstra <>
Subject: Re: [PATCH net] net: accept an empty mask in

On 8/11/20 9:16 PM, David Ahern wrote:
> On 8/11/20 7:34 PM, Eric Dumazet wrote:
>> We must accept an empty mask in store_rps_map(), or we are not able
>> to disable RPS on a queue.
> 0 works. Is that not sufficient?

To re-phrase:
    echo 0 > /sys/class/net/*/queues/rx-*/rps_cpus

works to disable rps. I don't get the difference in what you are
changing here.

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