linux-kernel - Re: [PATCH] selftests: Add _GNU_SOURCE definition when including kselftest

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Date: Wed, 8 May 2024 07:00:03 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Tao Su <tao1.su@...ux.intel.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-sound@...r.kernel.org, kvm@...r.kernel.org, netdev@...r.kernel.org,
 linux-rtc@...r.kernel.org, linux-sgx@...r.kernel.org, edliaw@...gle.com,
 ivan.orlov0322@...il.com, broonie@...nel.org, perex@...ex.cz,
 tiwai@...e.com, shuah@...nel.org, seanjc@...gle.com, pbonzini@...hat.com,
 bongsu.jeon@...sung.com, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, alexandre.belloni@...tlin.com, jarkko@...nel.org,
 dave.hansen@...ux.intel.com
Subject: Re: [PATCH] selftests: Add _GNU_SOURCE definition when including
 kselftest_harness.h

On Wed, 8 May 2024 10:55:05 +0800 Tao Su wrote:
> Back to commit 38c957f07038, I don't see any advantage in using LINE_MAX.
> Can we use a fixed value instead of LINE_MAX? E.g., 1024, 2048. Then we
> just need to revert commit 809216233555.

SGTM, FWIW. The print is printing a test summary line, printing more
than 1k seems rather unreasonable. Other facilities, like TH_LOG(),
should be used for displaying longer info.