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(p200300d82f1bb8006fdb1af24fbd1fdf.dip0.t-ipconnect.de. [2003:d8:2f1b:b800:6fdb:1af2:4fbd:1fdf]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-450d8000e3esm198995665e9.22.2025.06.04.06.24.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Jun 2025 06:24:37 -0700 (PDT) Message-ID: <7cea73af-f25d-4787-89e6-cb42f5da169b@redhat.com> Date: Wed, 4 Jun 2025 15:24:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] userfaultfd: remove UFFD_CLOEXEC, UFFD_NONBLOCK, and UFFD_FLAGS_SET To: Tal Zussman , Andrew Morton , Peter Xu , "Jason A. Donenfeld" , Alexander Viro , Christian Brauner , Jan Kara , Pavel Emelyanov , Andrea Arcangeli Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <20250603-uffd-fixes-v1-0-9c638c73f047@columbia.edu> <20250603-uffd-fixes-v1-3-9c638c73f047@columbia.edu> 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: <20250603-uffd-fixes-v1-3-9c638c73f047@columbia.edu> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: IbiC1lPugPkp7p1vq8izp8dbWF1fOY2Ap4Ke2ABy1Wg_1749043478 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 1F33910000E X-Stat-Signature: 8pc9t8ipjjc6ipbzjkymjixq7gku8h5w X-Rspam-User: X-HE-Tag: 1749043480-109612 X-HE-Meta: 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 yNq5s7g5 y2qcXWRUphXJE6YyymECUsgghAX1nTDbH5jiqYTBiNF9+WQxPYBY2wCmIdSS5+g4LdN0L0lkm8i47zShY+HeNArV+6ZkuA+STgNYXdiVzVJrXtdrddd01k6+0tqMBjPOE3lihKe7o7D0uUkrz9C6bIwIOjKUHMZVlLGbPy/r1loq02froluD608FujGTYoqIdHpC4+YFJtAzJDnzQW0QmryMY7yrUV9bNZlx03x6U8Xyr9goi5GT3td7SH4FGdVtf+oCyWo1zxw312qyphQTwAKSz9ih2cFxFoRC7d5UE0JGJL2fx9PWZxEU510/xqPNptEbjOFmu4doRCkHKMT/pAU1HsVILhA/kJfDG1sAG02V5V6uFK2PXxvj/wsm6HwJDKLVzirjDbvd1Hye+GvPuo9T7Pt1KjEVBr2uPNWssk5Pfp0QSuvSmyOUJqhyXJraCTkYbEj9P6UzYW3zNQTuAp9M3qLTeJee7ML97 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 04.06.25 00:14, Tal Zussman wrote: > UFFD_CLOEXEC, UFFD_NONBLOCK, and UFFD_FLAGS_SET have been unused since they > were added in commit 932b18e0aec6 ("userfaultfd: linux/userfaultfd_k.h"). > Remove them and the associated BUILD_BUG_ON() checks. > > Signed-off-by: Tal Zussman > --- Acked-by: David Hildenbrand -- Cheers, David / dhildenb