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(p200300d82f1f5e00c941d6fb3e300b42.dip0.t-ipconnect.de. [2003:d8:2f1f:5e00:c941:d6fb:3e30:b42]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b76fc6e5e1sm2507906f8f.28.2025.07.24.07.57.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Jul 2025 07:57:41 -0700 (PDT) Message-ID: Date: Thu, 24 Jul 2025 16:57:40 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm: remove io-mapping To: Lorenzo Stoakes , Andrew Morton Cc: Christoph Hellwig , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20250724145313.65920-1-lorenzo.stoakes@oracle.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/g1oFAmgsLPQFCRvGjuMACgkQTd4Q 9wD/g1o0bxAAqYC7gTyGj5rZwvy1VesF6YoQncH0yI79lvXUYOX+Nngko4v4dTlOQvrd/vhb 02e9FtpA1CxgwdgIPFKIuXvdSyXAp0xXuIuRPQYbgNriQFkaBlHe9mSf8O09J3SCVa/5ezKM OLW/OONSV/Fr2VI1wxAYj3/Rb+U6rpzqIQ3Uh/5Rjmla6pTl7Z9/o1zKlVOX1SxVGSrlXhqt kwdbjdj/csSzoAbUF/duDuhyEl11/xStm/lBMzVuf3ZhV5SSgLAflLBo4l6mR5RolpPv5wad GpYS/hm7HsmEA0PBAPNb5DvZQ7vNaX23FlgylSXyv72UVsObHsu6pT4sfoxvJ5nJxvzGi69U s1uryvlAfS6E+D5ULrV35taTwSpcBAh0/RqRbV0mTc57vvAoXofBDcs3Z30IReFS34QSpjvl Hxbe7itHGuuhEVM1qmq2U72ezOQ7MzADbwCtn+yGeISQqeFn9QMAZVAkXsc9Wp0SW/WQKb76 FkSRalBZcc2vXM0VqhFVzTb6iNqYXqVKyuPKwhBunhTt6XnIfhpRgqveCPNIasSX05VQR6/a OBHZX3seTikp7A1z9iZIsdtJxB88dGkpeMj6qJ5RLzUsPUVPodEcz1B5aTEbYK6428H8MeLq NFPwmknOlDzQNC6RND8Ez7YEhzqvw7263MojcmmPcLelYbfOwU0EVcufkQEQAOfX3n0g0fZz 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+DWgUCaCwtJQUJG8aPFAAKCRBN3hD3AP+DWlDnD/4k2TW+HyOOOePVm23F5HOhNNd7nNv3 Vq2cLcW1DteHUdxMO0X+zqrKDHI5hgnE/E2QH9jyV8mB8l/ndElobciaJcbl1cM43vVzPIWn 01vW62oxUNtEvzLLxGLPTrnMxWdZgxr7ACCWKUnMGE2E8eca0cT2pnIJoQRz242xqe/nYxBB /BAK+dsxHIfcQzl88G83oaO7vb7s/cWMYRKOg+WIgp0MJ8DO2IU5JmUtyJB+V3YzzM4cMic3 bNn8nHjTWw/9+QQ5vg3TXHZ5XMu9mtfw2La3bHJ6AybL0DvEkdGxk6YHqJVEukciLMWDWqQQ RtbBhqcprgUxipNvdn9KwNpGciM+hNtM9kf9gt0fjv79l/FiSw6KbCPX9b636GzgNy0Ev2UV m00EtcpRXXMlEpbP4V947ufWVK2Mz7RFUfU4+ETDd1scMQDHzrXItryHLZWhopPI4Z+ps0rB CQHfSpl+wG4XbJJu1D8/Ww3FsO42TMFrNr2/cmqwuUZ0a0uxrpkNYrsGjkEu7a+9MheyTzcm vyU2knz5/stkTN2LKz5REqOe24oRnypjpAfaoxRYXs+F8wml519InWlwCra49IUSxD1hXPxO WBe5lqcozu9LpNDH/brVSzHCSb7vjNGvvSVESDuoiHK8gNlf0v+epy5WYd7CGAgODPvDShGN g3eXuA== Organization: Red Hat In-Reply-To: <20250724145313.65920-1-lorenzo.stoakes@oracle.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: GxjEAoBF39bVWjvr-784bDKwuqx48r2sWYloaDhdKNI_1753369063 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 689FF40003 X-Stat-Signature: ipsp9fmhithk7h1h4texyng6ye6f4m71 X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1753369068-267713 X-HE-Meta: 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 neZuGbYX WWc739L0ylB1yPLIhBQtZM36uvEOlGgNpY1kephDSx1/ivcrT3MQFSrhV9OBeE60xvu3lOITqcAzcCq5BoqJ2MQfL3J3yUtBHfsSEP4rgf8fXpKNP43dv7Z6gy6NpS6sZWKwtI0hPf4Wo85aczCUahRAUUsYLw91leqc9u1QeEjiwRVjkAGVhifQQCRPteiK3pGrw44bsy7H+FiDzzOXFdMMtfYfdsdosLC0E9esHaOSh/dVmOKtpyMHTnrWURQgLKjqQjTStvOlYoys9uNrakbyLkwd1aLb4BgiurnerHhLFZZoPANbIi5ZMrFUWIncE+TxUXSig/Ax7tOULfK1qB6tKtEjGgg1k4uSH8yPMTUYXJZnzZMeO80TuhkKfR3sviauYfAqOG+Vr0ofO7Zx0noAwkz4vZI6GkzF77fiDtunzruQwyFSDpT4mw8WQrg9Z37WUagdHBYA0D3NmYvrYIl1jXV2WTcUvubO6DqDnX2XENV8WNebH14Mzs5QEjlz6Jh01 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 24.07.25 16:53, Lorenzo Stoakes wrote: > This is dead code, which was used from commit b739f125e4eb ("i915: use > io_mapping_map_user") but reverted a month later by commit > 0e4fe0c9f2f9 ("Revert "i915: use io_mapping_map_user"") back in 2021. > > Since then nobody has used it, so remove it. > > Signed-off-by: Lorenzo Stoakes > --- > include/linux/io-mapping.h | 231 ------------------------------------- > mm/Kconfig | 4 - > mm/Makefile | 1 - > mm/io-mapping.c | 30 ----- > 4 files changed, 266 deletions(-) > delete mode 100644 include/linux/io-mapping.h > delete mode 100644 mm/io-mapping.c IIUC, you're dropping the MAINTAINERS entry in the other patch already Acked-by: David Hildenbrand -- Cheers, David / dhildenb