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(p200300cbc711c600c1d67158f946f083.dip0.t-ipconnect.de. [2003:cb:c711:c600:c1d6:7158:f946:f083]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42bb6df0a4dsm18038305e9.12.2024.08.29.06.49.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Aug 2024 06:49:20 -0700 (PDT) Message-ID: <8a16ac0e-4a3f-48cc-a118-ea05c23d5d2b@redhat.com> Date: Thu, 29 Aug 2024 15:49:19 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [LTP] [linux-next:master] [mm/migrate] b28dd7507f: ltp.move_pages04.fail To: Cyril Hrubis Cc: kernel test robot , Claudio Imbrenda , Ryan Roberts , lkp@intel.com, Vasily Gorbik , Jonathan Corbet , "Kirill A. Shutemov" , Matthew Wilcox , Linux Memory Management List , Sven Schnelle , Zi Yan , Gerald Schaefer , oe-lkp@lists.linux.dev, Andrew Morton , Christian Borntraeger , Alexander Gordeev , ltp@lists.linux.it, Janosch Frank References: <202408211026.636ade1a-oliver.sang@intel.com> <767d1908-dc30-42ae-9a8a-d2ad42a4d491@redhat.com> <8bde28af-3401-4d72-b821-d8cf01bbcd64@redhat.com> <4c190c79-401e-43a9-a4d1-e64f78110e0b@redhat.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: xrid799s8hsaq7i8qumoin6paghqehq9 X-Rspamd-Queue-Id: 317B54000C X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1724939364-947371 X-HE-Meta: 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 S3O9ALor nBpQeh3olJ9L7/84pNFmkJfhcY6do16zAgJaNNT9P+pKOGDx0lCYBHReM2/MF3rmVo0UjO/m1WdYf34UXH9bjkkOY551wwwcVoFGjMiLqjJRs9Duo7sVhRKAi1Hnhq/6LrfAJ8D+Ybph3prUZf8tWJ25K1vvR2q4MTkaT3hbU8QviWp9MAsRE/FwCE6ZNwoKMn4i0Bndu2wZHN3hczzCxLaRrj9O/J8I8/RWUl3YeXgKbkUavjUE7EbaTlG5on9wOd0B8+aS76YjV+OUhs20TSoiprC5iQaVzqzjfIKm0fN+Oo+xGcUFBMRXj0szD03a5+TnEucpX4j3nLyxwo7ZQMySmFPvkdFIwsoGFKHNVN6bg+1arziL4LdlbjIPmDnS0eCbwpgkVo1N8mD1v6w8s9M/mlxnJ4mU9ERoNlEgu9OEHrLF1v3+HZT/SDn/yF0R2a79A X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 28.08.24 14:30, Cyril Hrubis wrote: > Hi! >>> If we are going to stick to ENOENT for page that wasn't faulted in the >>> kernel from now on we should stick to it in the test as well. >> >> Right, it will make kernels >= 4.3 fail, though, until this series is >> upstream. I mean, it highlights a BUG, but we had a similar condition >> with the zeropage and worked around it in the test to keep it passing. > > What we do in this case is that you are free to send a patch, we will do > review but the final merge will happen once the code has been released > in the upstream kernel. Yes, let me send something out for discussion. > >>> Also I think there is a third case that we do not cover either, what >>> happens when we pass an address that is not mapped at all, e.g. NULL? Do >>> we get EFAULT as well? >> >> Yes, that's documented as EFAULT and should behave that way. I can >> extend the test to handle that as well. > > Ideally the test should be ported to the new test API as well, but I can > do that later on the top of your work. I tried, and it all looked easy, until I realized that these tests use a share code-base: testcases/kernel/syscalls/move_pages/move_pages_support.c That is also written using the old API. I assume mixing APIs might not work as expected ... -- Cheers, David / dhildenb