Re: 4.19: udpgso_bench_tx: setsockopt zerocopy: Unknown error 524

From: David Miller
Date: Tue Jun 18 2019 - 12:53:04 EST


From: Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>
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.