linux-kernel - Re: [PATCH 2/2] kcsan: Switch to KUNIT_CASE

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Message-ID: <CABVgOS=sOZ29Q0Ut8YSKD+BrXDQwGftPeYEoON_iOxajK_wL9w@mail.gmail.com>
Date:   Tue, 26 Jan 2021 12:35:47 +0800
From:   David Gow <davidgow@...gle.com>
To:     Marco Elver <elver@...gle.com>
Cc:     "Paul E. McKenney" <paulmck@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>, boqun.feng@...il.com,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] kcsan: Switch to KUNIT_CASE_PARAM for parameterized tests

On Thu, Jan 14, 2021 at 12:06 AM Marco Elver <elver@...gle.com> wrote:
>
> Since KUnit now support parameterized tests via KUNIT_CASE_PARAM, update
> KCSAN's test to switch to it for parameterized tests. This simplifies
> parameterized tests and gets rid of the "parameters in case name"
> workaround (hack).
>
> At the same time, we can increase the maximum number of threads used,
> because on systems with too few CPUs, KUnit allows us to now stop at the
> maximum useful threads and not unnecessarily execute redundant test
> cases with (the same) limited threads as had been the case before.
>
> Cc: David Gow <davidgow@...gle.com>
> Signed-off-by: Marco Elver <elver@...gle.com>
> ---

Thanks! This looks great from the KUnit point of view: I'm
particularly excited to see a use of the parameterised test generator
that's not just reading from an array.

I tested this as well, and it all seemed to work fine for me.

Reviewed-by: David Gow <davidgow@...gle.com>

Cheers,
-- David