linux-kernel - Re: [PATCH 2/2] selftests: lib: prime

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Date:   Mon, 19 Jun 2017 14:51:51 +0100
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Sumit Semwal <sumit.semwal@...aro.org>, shuah@...nel.org,
        linux-kselftest@...r.kernel.org
Cc:     lukas@...ner.de, linux-kernel@...r.kernel.org,
        daniel.vetter@...ll.ch, joonas.lahtinen@...ux.intel.com,
        "Sumit Semwal" <sumit.semwal@...aro.org>
Subject: Re: [PATCH 2/2] selftests: lib: prime_numbers: update presence check

Quoting Sumit Semwal (2017-06-19 14:44:32)
> The test for prime numbers doesn't differentiate between missing
> prime_numbers.ko and failure in prime_numbers.ko.
> 
> Update it to check for presence of the file itself to skip, therefore
> correctly exercising the test failure case.

modprobe -r shouldn't be executing the module? But you still need to
unload the module before you can load it with the selftest module
parameters. If you can't unload the module due to an earlier failure,
you cannot discern whether or not the module itself is at fault, so
still want to SKIP.
-Chris