linux-kernel - Re: 4.19: udpgso_bench_tx: setsockopt zerocopy: Unknown error 524

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Message-Id: <20190618.094759.539007481404905339.davem@davemloft.net>
Date:   Tue, 18 Jun 2019 09:47:59 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     willemdebruijn.kernel@...il.com
Cc:     gregkh@...uxfoundation.org, naresh.kamboju@...aro.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, fklassen@...neta.com
Subject: Re: 4.19: udpgso_bench_tx: setsockopt zerocopy: Unknown error 524

From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Date: Tue, 18 Jun 2019 12:37:33 -0400

> Specific to the above test, I can add a check command testing
> setsockopt SO_ZEROCOPY  return value. AFAIK kselftest has no explicit
> way to denote "skipped", so this would just return "pass". Sounds a
> bit fragile, passing success when a feature is absent.

Especially since the feature might be absent because the 'config'
template forgot to include a necessary Kconfig option.