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Date:   Tue, 21 Jul 2020 12:21:33 +0200
From:   Jakub Sitnicki <>
To:     David Ahern <>
Cc:     Lorenzo Bianconi <>,,,,,,,,
Subject: Re: [PATCH bpf-next] bpf: cpumap: fix possible rcpu kthread hung

On Mon, Jul 20, 2020 at 05:45 PM CEST, David Ahern wrote:
> On 7/20/20 3:14 AM, Jakub Sitnicki wrote:
>> I realize it's a code move, but fd == 0 is a valid descriptor number.
> this follows the decision made for devmap entries in that fd == 0 is NOT
> a valid program fd.

Surprising. Thanks for clarifying.

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