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Message-ID: <7c54ce8d-b18b-4c5d-bd7d-56482e2bd946@redhat.com>
Date: Thu, 4 Apr 2024 20:45:37 +0200
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Subject: Re: [PATCH 1/2] selftests: break the dependency upon local header
 files
To: John Hubbard <jhubbard@nvidia.com>,
 Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Xu <peterx@redhat.com>, Shuah Khan <shuah@kernel.org>,
 Axel Rasmussen <axelrasmussen@google.com>,
 Andrea Arcangeli <aarcange@redhat.com>, linux-mm@kvack.org,
 linux-kselftest@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
 Mark Brown <broonie@kernel.org>,
 Muhammad Usama Anjum <usama.anjum@collabora.com>,
 Suren Baghdasaryan <surenb@google.com>, Peter Zijlstra <peterz@infradead.org>
References: <20240328033418.203790-1-jhubbard@nvidia.com>
 <20240328033418.203790-2-jhubbard@nvidia.com>
From: David Hildenbrand <david@redhat.com>
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In-Reply-To: <20240328033418.203790-2-jhubbard@nvidia.com>
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On 28.03.24 04:34, John Hubbard wrote:
> Use tools/include/uapi/ files instead. These are obtained by taking a
> snapshot: run "make headers" at the top level, then copy the desired
> header file into the appropriate subdir in tools/uapi/.
> 
> This was discussed and solved in [1].
> 
> However, even before copying any additional files there, there are
> already quite a few in tools/include/uapi already. And these will
> immediately fix a number of selftests/mm build failures.
> 
> So this patch:
> 
> a) Adds TOOLS_INCLUDES to selftests/lib.mk, so that all selftests can
> immediately and easily include the snapshotted header files.
> 
> b) Uses $(TOOLS_INCLUDES) in the selftests/mm build. On today's Arch
> Linux, this already fixes all build errors except for a few
> userfaultfd.h (those will be addressed in a subsequent patch).
> 
> [1] https://lore.kernel.org/all/783a4178-1dec-4e30-989a-5174b8176b09@redhat.com/
> 
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
> Cc: Suren Baghdasaryan <surenb@google.com>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: John Hubbard <jhubbard@nvidia.com>
> ---
>

Acked-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb