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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Wed, 14 Jun 2017 16:13:15 +0200
Message-ID: <CAHmME9rh4aHp2z0RLb8VVEJ=HQjT=vd5ib-D3d_tCSNjZ-7xzg@mail.gmail.com>
Subject: Re: multiple wireguard interface and kworker ressources
To: nicolas prochazka <prochazka.nicolas@gmail.com>
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On Wed, Jun 14, 2017 at 4:05 PM, Jason A. Donenfeld <Jason@zx2c4.com> wrote:
> Will keep a kworker at 100% CPU, even after that command completes?
> I'm unable to reproduce this here. Could you give me detailed
> environmental information so that I can reproduce this precisely?
> Something minimal and easily reproducable would be preferred.

Okay, I have a working reproducer now, and I've isolated the issue to
the xt_hashlimit garbage collector, an issue outside the WireGuard
code base. I might look for a work around within WireGuard, however.
I'll keep you posted.