linux-kernel - Re: [PATCH] kunit: take `kunit

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Message-ID: <CANiq72kVLzOu_3UjoUiSp5y+H0tA+SQYNQ=fsuhtg=i6MQe=Fg@mail.gmail.com>
Date:   Wed, 4 May 2022 21:26:19 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     David Gow <davidgow@...gle.com>
Cc:     Daniel Latypov <dlatypov@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        KUnit Development <kunit-dev@...glegroups.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kunit: take `kunit_assert` as `const`

Hi David,

On Wed, May 4, 2022 at 4:05 PM David Gow <davidgow@...gle.com> wrote:
>
> I definitely agree here -- I can't recall any particular plan that
> would require this to be non-const, and we can always change it back
> if we really need to.

That is good to know, thanks! Out-of-tree users can always be a surprise... :)

> Very exciting! I assume that's the PR here:
> https://github.com/Rust-for-Linux/linux/pull/757

Indeed! I hope you like it -- we are taking the documentation tests in
Rust (which are a very lightweight way of writing examples which
double as tests) and generating KUnit test cases on the fly. For the
moment it is just for the `kernel` crate, but the idea is to
generalize it for modules etc.

By the way, since you saw the PR... do you know if KUnit relies (or
will rely) on "stack-dumping" functions like `longjmp`?

Cheers,
Miguel