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

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Date: Thu, 9 May 2024 13:10:23 +0800
From: Tao Su <tao1.su@...ux.intel.com>
To: Edward Liaw <edliaw@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>,
	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, 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, May 08, 2024 at 10:57:47AM -0700, Edward Liaw wrote:
> On Wed, May 8, 2024 at 7:00 AM Jakub Kicinski <kuba@...nel.org> wrote:
> >
> > 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.
> 
> I also submitted some patches to fix the _GNU_SOURCE issues here:
> https://lore.kernel.org/linux-kselftest/20240507214254.2787305-1-edliaw@google.com/
> 
> I'm fine with this approach.  It's aligned to what Sean suggested
> there, since it's causing a lot of troubles for the release cycle.

Thanks, I will submit patches with this approach soon.