linux-kernel - Re: [PATCH 0/3] tools: testing: Use existing atomic.h for vma/radix-tree tests

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Message-ID: <9cefb766-d6ca-4c82-84ae-8a47b1fc6e84@lucifer.local>
Date: Thu, 28 Aug 2025 11:28:14 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Brendan Jackman <jackmanb@...gle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>, Jann Horn <jannh@...gle.com>,
        Pedro Falcato <pfalcato@...e.de>, linux-kernel@...r.kernel.org,
        maple-tree@...ts.infradead.org, linux-mm@...ck.org
Subject: Re: [PATCH 0/3] tools: testing: Use existing atomic.h for
 vma/radix-tree tests

On Wed, Aug 27, 2025 at 11:04:40AM +0000, Brendan Jackman wrote:
> De-duplicating this lets us delete a bit of code.

Thanks very much! This is nice stuff.

>
> Ulterior motive: I'm working on a new set of the userspace-based unit
> tests, which will need the atomics API too. That would involve even more
> duplication, so while the win in this patchset alone is very minimal, it
> looks a lot more significant with my other WIP patchset.

I hope that my + Liam's work helped inspire you :)

>
> I've tested these commands:
>
> make -C tools/testing/vma -j
> tools/testing/vma/vma
>
> make -C tools/testing/radix-tree -j
> tools/testing/radix-tree/main
>
> Note the EXTRA_CFLAGS patch is actually orthogonal, let me know if you'd
> prefer I send it separately.

It's fine!

Cheers, Lorenzo