linux-kernel - Re: [PATCH v2 1/2] selftests: bpf: test_kmod.sh: check if module is present in the path before insert

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Message-ID: <CA+G9fYvioCdeZdWjY1MfQDTwSe9XnpS3xWHFB01jz=SuV6VRDw@mail.gmail.com>
Date:   Mon, 6 Nov 2017 20:53:03 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Daniel Borkmann <daniel@...earbox.net>,
        Shuah Khan <shuah@...nel.org>
Cc:     Shuah Khan <shuahkh@....samsung.com>,
        linux-kselftest@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        davem@...emloft.net, alexei.starovoitov@...il.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH v2 1/2] selftests: bpf: test_kmod.sh: check if module is
 present in the path before insert

On 7 September 2017 at 14:46, Daniel Borkmann <daniel@...earbox.net> wrote:
> On 09/07/2017 10:19 AM, naresh.kamboju@...aro.org wrote:
>>
>> From: Naresh Kamboju <naresh.kamboju@...aro.org>
>>
>> The test script works when kernel source and build module test_bpf.ko
>> present on the machine. This patch will check if module is present in
>> the path.
>>
>> Signed-off-by: Naresh Kamboju <naresh.kamboju@...aro.org>
>
>
> Looks good, what changed between v1 and v2? Didn't get the cover
> letter in case there was one. ;)

No change for 1/2 to v2 1/2. The only change was to v2 2/2.

>
> Which tree are you targeting? There are usually a lot of changes
> in BPF selftests going the usual route via net and net-next tree
> as we often require to put test cases along the BPF patches. Given
> the merge window now and given one can regard it as a fix, it's
> net tree. I'm also ok if Shuah wants to pick it up this window as
> test_kmod.sh hasn't been changed in quite a while, so no merge
> conflicts expected.

I did not see any conflict for this file (selftests/bpf/test_kmod.sh)

>
> Anyway, for the patch:
>
> Acked-by: Daniel Borkmann <daniel@...earbox.net>
>
> Thanks!

Thank you.

- Naresh
>
>
>> ---
>>   tools/testing/selftests/bpf/test_kmod.sh | 8 +++++---
>>   1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/tools/testing/selftests/bpf/test_kmod.sh
>> b/tools/testing/selftests/bpf/test_kmod.sh
>> index 6d58cca8e235..a53eb1cb54ef 100755
>> --- a/tools/testing/selftests/bpf/test_kmod.sh
>> +++ b/tools/testing/selftests/bpf/test_kmod.sh
>> @@ -9,9 +9,11 @@ test_run()
>>
>>         echo "[ JIT enabled:$1 hardened:$2 ]"
>>         dmesg -C
>> -       insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null
>> -       if [ $? -ne 0 ]; then
>> -               rc=1
>> +       if [ -f $SRC_TREE/lib/test_bpf.ko ]; then
>> +               insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null
>> +               if [ $? -ne 0 ]; then
>> +                       rc=1
>> +               fi
>>         fi
>>         rmmod  test_bpf 2> /dev/null
>>         dmesg | grep FAIL
>>
>