linux-kernel - Re: [PATCH v3] selftests/run_kselftest.sh: exit with error if tests fail

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Message-ID: <DDWIMGXNSBHN.3LI1W4BHB75W0@google.com>
Date: Fri, 31 Oct 2025 12:44:29 +0000
From: Brendan Jackman <jackmanb@...gle.com>
To: Brendan Jackman <jackmanb@...gle.com>, Shuah Khan <shuah@...nel.org>
Cc: "Thomas Weißschuh" <thomas.weissschuh@...utronix.de>, <linux-kselftest@...r.kernel.org>, 
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] selftests/run_kselftest.sh: exit with error if tests fail

On Tue Oct 14, 2025 at 2:45 PM UTC, Brendan Jackman wrote:
> Parsing KTAP is quite an inconvenience, but most of the time the thing
> you really want to know is "did anything fail"?
>
> Let's give the user the his information without them needing
> to parse anything.
>
> Because of the use of subshells and namespaces, this needs to be
> communicated via a file. Just write arbitrary data into the file and
> treat non-empty content as a signal that something failed.
>
> In case any user depends on the current behaviour, such as running this
> from a script with `set -e` and parsing the result for failures
> afterwards, add a flag they can set to get the old behaviour, namely
> --no-error-on-fail.
>
> Signed-off-by: Brendan Jackman <jackmanb@...gle.com>

Hi Shuah,

Can you take a look at this?

Cheers,
Brendan