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Date:   Sat, 21 Mar 2020 10:27:46 -0700
From:   Ralph Campbell <rcampbell@...dia.com>
To:     Leon Romanovsky <leon@...nel.org>
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 3/21/20 2:00 AM, Leon Romanovsky wrote:
> 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
> 

Most of the other kernel module tests seem to invoke the test as part of the
module load/init. I'm open to moving it if there is a more appropriate location.

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