linux-kernel - Re: [PATCH v2 4/4] KVM: s390: selftests: Use TAP interface in the reset test

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Message-ID: <88b40226-b163-5bec-a9bc-cc9c3b323615@redhat.com>
Date:   Fri, 29 Apr 2022 08:21:03 +0200
From:   Thomas Huth <thuth@...hat.com>
To:     Janosch Frank <frankja@...ux.ibm.com>, kvm@...r.kernel.org,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        David Hildenbrand <david@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Janis Schoetterl-Glausch <scgl@...ux.ibm.com>,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH v2 4/4] KVM: s390: selftests: Use TAP interface in the
 reset test

On 20/04/2022 12.34, Janosch Frank wrote:
> On 4/19/22 20:58, Thomas Huth wrote:
>> Let's standardize the s390x KVM selftest output to the TAP output
>> generated via the kselftests.h interface.
>>
>> Signed-off-by: Thomas Huth <thuth@...hat.com>
>> ---
> 
> Reviewed-by: Janosch Frank <frankja@...ux.ibm.com>
> 
> [...]
>> -    return 0;
>> +
>> +    ksft_finished();
> 
> main() is still int so it looks really weird, that we remove the return 
> here. After reading the ksft_finished() code I know that we never return 
> because we do an exit() but I'd like to have a comment, change to void or 
> noreturn tag to make this clearer.

Changing the return type of main() to void causes a compiler warning here, 
so I'll go with the comment.

  Thomas