linux-kernel - Re: [PATCH v8 0/3] mm/hmm/test: add self tests for HMM

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Message-ID: <20200321090047.GM514123@unreal>
Date:   Sat, 21 Mar 2020 11:00:47 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Ralph Campbell <rcampbell@...dia.com>
Cc:     Jerome Glisse <jglisse@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        Christoph Hellwig <hch@....de>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>, linux-rdma@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v8 0/3] mm/hmm/test: add self tests for HMM

On Fri, Mar 20, 2020 at 05:31:05PM -0700, Ralph Campbell wrote:
> This series adds basic self tests for HMM and are intended for Jason
> Gunthorpe's rdma tree which has a number of HMM patches applied.
>
> Changes v7 -> v8:
> Rebased to Jason's rdma/hmm tree, plus Jason's 6 patch series
>   "Small hmm_range_fault() cleanups".
> Applied a number of changes from Jason's comments.
>
> Changes v6 -> v7:
> Rebased to linux-5.6.0-rc6
> Reverted back to just using mmu_interval_notifier_insert() and making
>   this series only introduce HMM self tests.
>
> Changes v5 -> v6:
> Rebased to linux-5.5.0-rc6
> Refactored mmu interval notifier patches
> Converted nouveau to use the new mmu interval notifier API
>
> Changes v4 -> v5:
> Added mmu interval notifier insert/remove/update callable from the
>   invalidate() callback
> Updated HMM tests to use the new core interval notifier API
>
> Changes v1 -> v4:
> https://lore.kernel.org/linux-mm/20191104222141.5173-1-rcampbell@nvidia.com
>
> Ralph Campbell (3):
>   mm/hmm/test: add selftest driver for HMM
>   mm/hmm/test: add selftests for HMM
>   MAINTAINERS: add HMM selftests
>
>  MAINTAINERS                            |    3 +
>  include/uapi/linux/test_hmm.h          |   59 ++

Isn't UAPI folder supposed to be for user-visible interfaces that follow
the rule of non-breaking user space and not for selftests?

Thanks