linux-kernel - Re: [PATCH v2 7/7] tools: add skeleton code for userland testing of VMA logic

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Message-ID: <09d76800-5560-4193-b547-baaaf914581b@lucifer.local>
Date: Mon, 8 Jul 2024 14:14:23 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: SeongJae Park <sj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Matthew Wilcox <willy@...radead.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>,
        Eric Biederman <ebiederm@...ssion.com>, Kees Cook <kees@...nel.org>,
        Suren Baghdasaryan <surenb@...gle.com>, Shuah Khan <shuah@...nel.org>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        David Gow <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>
Subject: Re: [PATCH v2 7/7] tools: add skeleton code for userland testing of
 VMA logic

On Fri, Jul 05, 2024 at 11:28:01AM GMT, SeongJae Park wrote:
> Hi Lorenzo,
>
> On Thu,  4 Jul 2024 20:28:02 +0100 Lorenzo Stoakes <lorenzo.stoakes@...cle.com> wrote:
>
> > Establish a new userland VMA unit testing implementation under
> > tools/testing which utilises existing logic providing maple tree support in
> > userland utilising the now-shared code previously exclusive to radix tree
> > testing.
> >
> > This provides fundamental VMA operations whose API is defined in mm/vma.h,
> > while stubbing out superfluous functionality.
> >
> > This exists as a proof-of-concept, with the test implementation functional
> > and sufficient to allow userland compilation of vma.c, but containing only
> > cursory tests to demonstrate basic functionality.
> >
> > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
>
> I haven't had a time to review this, and I don't think I will get the time soon
> (don't wait for me).  But, I was able to build and run it as below, thanks to
> the fast runtime of the test ;)
>
>     $ cd tools/testing/vma
>     $ make
>     [...]
>     $ ./vma
>     4 tests run, 4 passed, 0 failed.
>
> So, FWIW,
>
> Tested-by: SeongJae Park <sj@...nel.org>
>

Thanks! :)

>
> Thanks,
> SJ
>
> [...]