linux-kernel - Re: [PATCH 1/1] selftests: Fix lib.mk run

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Date:   Wed, 1 Nov 2017 15:33:11 -0600
From:   Shuah Khan <shuahkh@....samsung.com>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Shuah Khan <shuahkh@....samsung.com>,
        Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH 1/1] selftests: Fix lib.mk run_tests target shell script

On 10/28/2017 07:46 AM, Mathieu Desnoyers wrote:
> Within run_tests target, the whole script needs to be executed within
> the same shell and not as separate subshells, so the initial test_num
> variable set to 0 is still present when executing "test_num=`echo
> $$test_num+1 | bc`;".
> 
> Demonstration of the issue (make run_tests):
> 
> TAP version 13
> (standard_in) 1: syntax error
> selftests: basic_test
> ========================================
> ok 1.. selftests: basic_test [PASS]
> (standard_in) 1: syntax error
> selftests: basic_percpu_ops_test
> ========================================
> ok 1.. selftests: basic_percpu_ops_test [PASS]
> (standard_in) 1: syntax error
> selftests: param_test
> ========================================
> ok 1.. selftests: param_test [PASS]

Hi Mathieu,

Odd. I don't see the error. I am curious if this specific to
env. Can you reproduce this with one of the existing tests,
kcmp or breakpoints

> 
> With fix applied:
> 
> TAP version 13
> selftests: basic_test
> ========================================
> ok 1..1 selftests: basic_test [PASS]
> selftests: basic_percpu_ops_test
> ========================================
> ok 1..2 selftests: basic_percpu_ops_test [PASS]
> selftests: param_test
> ========================================
> ok 1..3 selftests: param_test [PASS]
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> Fixes: 1f87c7c15d7 ("selftests: lib.mk: change RUN_TESTS to print messages in TAP13 format")
> CC: Shuah Khan <shuahkh@....samsung.com>
> CC: linux-kselftest@...r.kernel.org
> ---

thanks,
-- Shuah