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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id m27-20020a05600c3b1b00b0040b38292253sm26220931wms.30.2023.12.14.01.02.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 14 Dec 2023 01:02:28 -0800 (PST) Message-ID: <345a414e-42df-4b2d-8425-2b605c46d2a9@redhat.com> Date: Thu, 14 Dec 2023 10:02:26 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 5/5] selftests/mm: add UFFDIO_MOVE ioctl test To: John Hubbard , Muhammad Usama Anjum , Mark Brown Cc: Suren Baghdasaryan , akpm@linux-foundation.org, viro@zeniv.linux.org.uk, brauner@kernel.org, shuah@kernel.org, aarcange@redhat.com, lokeshgidra@google.com, peterx@redhat.com, ryan.roberts@arm.com, hughd@google.com, mhocko@suse.com, axelrasmussen@google.com, rppt@kernel.org, willy@infradead.org, Liam.Howlett@oracle.com, jannh@google.com, zhangpeng362@huawei.com, bgeffon@google.com, kaleshsingh@google.com, ngeoffray@google.com, jdduke@google.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kernel-team@android.com, Peter Zijlstra References: <50385948-5eb4-47ea-87f8-add4265933d6@redhat.com> <6a34b0c9-e084-4928-b239-7af01c8d4479@sirena.org.uk> <3240f4b5-081b-4075-851a-7d1cd86f4333@redhat.com> <3eadd79c-c02a-495f-92c0-0315046ef59f@nvidia.com> <3d22f342-280f-4a44-87f4-8cca291cfce7@sirena.org.uk> <0f97db9c-5b86-4f56-8463-2520fe79f709@sirena.org.uk> <2e4a719b-f2b3-48db-99db-d96040d78b12@collabora.com> <0d68fe7f-2a96-467d-87b0-52db36704e1d@nvidia.com> <926b42f9-3689-480f-8dd5-78fc0ee6088d@nvidia.com> <783a4178-1dec-4e30-989a-5174b8176b09@redhat.com> Content-Language: en-US From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 14 Dec 2023 01:02:48 -0800 (PST) On 13.12.23 23:01, John Hubbard wrote: > On 12/13/23 01:59, David Hildenbrand wrote: > ... >>> Another variation though, would be to run "make headers", and snapshot >>> some of those files into tools/include. >> >> ^ this is what I had in mind >> >> If you're writing a test that needs some new fancy thing, update the relevant header. >> > > OK, and Mark Brown's nearby response [1] supports that, as well. > > Thus fortified, I plan on doing the following steps: > > Step 1: Do nothing about the revert patch that I sent earlier, thus > allowing it to continue in its journey (so far, Andrew has moved it into > mm-hotfixes-stable branch). > > Step 2: Send out a patch for a modest part of selftests/mm, that uses > this latest approach, and see how it fares in reviews. All sounds good to me! -- Cheers, David / dhildenb