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Re: [PATCH] selftests: lib: Skip tests on missing test modules

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Hi Sumit,

On 06/15/2017 11:29 PM, Sumit Semwal wrote:
> With older kernels, printf.sh and bitmap.sh fail because they can't find
> the respective test modules they are looking for.
> 
> Add the skip portion on missing the respective test_XXX module. Error out
> the same way as prime_numbers.sh.
> 
> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
> ---
>  tools/testing/selftests/lib/bitmap.sh | 5 +++++
>  tools/testing/selftests/lib/printf.sh | 5 +++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/tools/testing/selftests/lib/bitmap.sh b/tools/testing/selftests/lib/bitmap.sh
> index 2da187b6ddad..85294b4a0861 100755
> --- a/tools/testing/selftests/lib/bitmap.sh
> +++ b/tools/testing/selftests/lib/bitmap.sh
> @@ -1,6 +1,11 @@
>  #!/bin/sh
>  # Runs bitmap infrastructure tests using test_bitmap kernel module
>  
> +if ! /sbin/modprobe -q test_bitmap; then
> +        echo "bitmap: [SKIP]"
> +	exit 77
> +fi

Please add this logic below in the else clause instead of
adding duplicate block.

I think it is would be good to differentiate when a modules
isn't present vs. modprobe failed keying off of

"Module test_printf not found" message.

The second one can be separate patch.

> +
>  if /sbin/modprobe -q test_bitmap; then
>  	/sbin/modprobe -q -r test_bitmap
>  	echo "bitmap: ok"
> diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh
> index 4fdc70fe6980..024e749a83d4 100755
> --- a/tools/testing/selftests/lib/printf.sh
> +++ b/tools/testing/selftests/lib/printf.sh
> @@ -1,6 +1,11 @@
>  #!/bin/sh
>  # Runs printf infrastructure using test_printf kernel module
>  
> +if ! /sbin/modprobe -q test_printf; then
> +        echo "printf: [SKIP]"
> +	exit 77
> +fi

Please add this logic below in the else clause instead of
adding duplicate block.

I think it is would be good to differentiate when a modules
isn't present vs. modprobe failed keying off of

"Module test_printf not found" message.

The second one can be separate patch.

> +
>  if /sbin/modprobe -q test_printf; then
>  	/sbin/modprobe -q -r test_printf
>  	echo "printf: ok"
> 

thanks,
-- Shuah

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[PATCH] selftests: lib: Skip tests on missing test modules Sumit Semwal <sumit.semwal@linaro.org> - 2017-06-16 07:30 +0200
  Re: [PATCH] selftests: lib: Skip tests on missing test modules Shuah Khan <shuah@kernel.org> - 2017-06-16 17:20 +0200
    Re: [PATCH] selftests: lib: Skip tests on missing test modules Shuah Khan <shuah@kernel.org> - 2017-06-16 18:10 +0200

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