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Message-ID: <CAGXu5j+OPGL3N95cxRWDm5zi=ZpyEH5qA4==UdedYqWr_yi6GQ@mail.gmail.com>
Date: Tue, 2 Apr 2019 14:29:31 -0700
From: Kees Cook <keescook@...omium.org>
To: "Tobin C. Harding" <tobin@...nel.org>
Cc: Shuah Khan <shuah@...nel.org>, Jann Horn <jannh@...gle.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Randy Dunlap <rdunlap@...radead.org>,
Rasmus Villemoes <linux@...musvillemoes.dk>, Stephen Rothwell <sfr@...b.auug.org.au>,
Andy Lutomirski <luto@...capital.net>, Daniel Micay <danielmicay@...il.com>,
Arnd Bergmann <arnd@...db.de>, Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 3/7] kselftest/lib: Use new shell runner to define tests
On Wed, Mar 6, 2019 at 1:43 PM Tobin C. Harding <tobin@...nel.org> wrote:
>
> We just added a new script kselftest_module.sh that can be used to
> define kselftest tests that run tests within a kernel module. We can
> use it to reduce code duplication in all of the test runner scripts in
> tools/testing/selftests/lib/.
>
> Use new shell runner tools/testing/selftests/kselftest_module.sh to
> define test runner scripts.
>
> Signed-off-by: Tobin C. Harding <tobin@...nel.org>
> ---
> tools/testing/selftests/lib/bitmap.sh | 25 ++++++++++----------
> tools/testing/selftests/lib/prime_numbers.sh | 23 +++++++++---------
> tools/testing/selftests/lib/printf.sh | 25 ++++++++++----------
> 3 files changed, 35 insertions(+), 38 deletions(-)
>
> diff --git a/tools/testing/selftests/lib/bitmap.sh b/tools/testing/selftests/lib/bitmap.sh
> index 5a90006d1aea..ed4180ea0021 100755
> --- a/tools/testing/selftests/lib/bitmap.sh
> +++ b/tools/testing/selftests/lib/bitmap.sh
> @@ -1,19 +1,18 @@
> #!/bin/sh
> # SPDX-License-Identifier: GPL-2.0
>
> -# Kselftest framework requirement - SKIP code is 4.
> -ksft_skip=4
> +module=test_bitmap
> +description="bitmap"
>
> -# Runs bitmap infrastructure tests using test_bitmap kernel module
> -if ! /sbin/modprobe -q -n test_bitmap; then
> - echo "bitmap: module test_bitmap is not found [SKIP]"
> - exit $ksft_skip
> -fi
> +#
> +# Shouldn't need to edit anything below here.
> +#
>
> -if /sbin/modprobe -q test_bitmap; then
> - /sbin/modprobe -q -r test_bitmap
> - echo "bitmap: ok"
> -else
> - echo "bitmap: [FAIL]"
> - exit 1
> +file="kselftest_module.sh"
> +path="../$file"
> +if [[ ! $KBUILD_SRC == "" ]]; then
> + path="${KBUILD_SRC}/tools/testing/selftests/$file"
> fi
Can this just be reduced to something like:
. $(dirname $0)/../kselftest_module.sh
call_functions_here ...
> +
> +$path $module $description
> +
> diff --git a/tools/testing/selftests/lib/prime_numbers.sh b/tools/testing/selftests/lib/prime_numbers.sh
> index 78e7483c8d60..6f782386d897 100755
> --- a/tools/testing/selftests/lib/prime_numbers.sh
> +++ b/tools/testing/selftests/lib/prime_numbers.sh
> @@ -2,18 +2,17 @@
> # SPDX-License-Identifier: GPL-2.0
> # Checks fast/slow prime_number generation for inconsistencies
>
> -# Kselftest framework requirement - SKIP code is 4.
> -ksft_skip=4
> +module=prime_numbers
> +description="prime_numbers"
>
> -if ! /sbin/modprobe -q -n prime_numbers; then
> - echo "prime_numbers: module prime_numbers is not found [SKIP]"
> - exit $ksft_skip
> -fi
> +#
> +# Shouldn't need to edit anything below here.
> +#
>
> -if /sbin/modprobe -q prime_numbers selftest=65536; then
> - /sbin/modprobe -q -r prime_numbers
> - echo "prime_numbers: ok"
> -else
> - echo "prime_numbers: [FAIL]"
> - exit 1
> +file="kselftest_module.sh"
> +path="../$file"
> +if [[ ! $KBUILD_SRC == "" ]]; then
> + path="${KBUILD_SRC}/tools/testing/selftests/$file"
> fi
> +
> +$path $module $description
> diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh
> index 45a23e2d64ad..89717915d028 100755
> --- a/tools/testing/selftests/lib/printf.sh
> +++ b/tools/testing/selftests/lib/printf.sh
> @@ -1,19 +1,18 @@
> #!/bin/sh
> # SPDX-License-Identifier: GPL-2.0
> -# Runs printf infrastructure using test_printf kernel module
> +# Tests the printf infrastructure using test_printf kernel module.
>
> -# Kselftest framework requirement - SKIP code is 4.
> -ksft_skip=4
> +module=test_printf
> +description="printf"
>
> -if ! /sbin/modprobe -q -n test_printf; then
> - echo "printf: module test_printf is not found [SKIP]"
> - exit $ksft_skip
> -fi
> +#
> +# Shouldn't need to edit anything below here.
> +#
>
> -if /sbin/modprobe -q test_printf; then
> - /sbin/modprobe -q -r test_printf
> - echo "printf: ok"
> -else
> - echo "printf: [FAIL]"
> - exit 1
> +file="kselftest_module.sh"
> +path="../$file"
> +if [[ ! $KBUILD_SRC == "" ]]; then
> + path="${KBUILD_SRC}/tools/testing/selftests/$file"
> fi
> +
> +$path $module $description
> --
> 2.20.1
>
--
Kees Cook
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