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(p200300d82f18f900e0ae65d58bf88cfd.dip0.t-ipconnect.de. [2003:d8:2f18:f900:e0ae:65d5:8bf8:8cfd]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e9a066366fsm7321173f8f.44.2025.09.15.06.45.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Sep 2025 06:45:47 -0700 (PDT) Message-ID: <2b13e434-192a-451c-a09b-69eb92392a3e@redhat.com> Date: Mon, 15 Sep 2025 15:45:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V12 0/5] riscv: mm: Add soft-dirty and uffd-wp support To: Chunyan Zhang , linux-riscv@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Deepak Gupta , Ved Shanbhogue , Alexander Viro , Christian Brauner , Jan Kara , Andrew Morton , Peter Xu , Arnd Bergmann , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Axel Rasmussen , Yuanchu Xie , Chunyan Zhang References: <20250915101343.1449546-1-zhangchunyan@iscas.ac.cn> 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 ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZoEEwEIAEQCGwMCF4ACGQEFCwkIBwICIgIG FQoJCAsCBBYCAwECHgcWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaJzangUJJlgIpAAKCRBN 3hD3AP+DWhAxD/9wcL0A+2rtaAmutaKTfxhTP0b4AAp1r/eLxjrbfbCCmh4pqzBhmSX/4z11 opn2KqcOsueRF1t2ENLOWzQu3Roiny2HOU7DajqB4dm1BVMaXQya5ae2ghzlJN9SIoopTWlR 0Af3hPj5E2PYvQhlcqeoehKlBo9rROJv/rjmr2x0yOM8qeTroH/ZzNlCtJ56AsE6Tvl+r7cW 3x7/Jq5WvWeudKrhFh7/yQ7eRvHCjd9bBrZTlgAfiHmX9AnCCPRPpNGNedV9Yty2Jnxhfmbv Pw37LA/jef8zlCDyUh2KCU1xVEOWqg15o1RtTyGV1nXV2O/mfuQJud5vIgzBvHhypc3p6VZJ lEf8YmT+Ol5P7SfCs5/uGdWUYQEMqOlg6w9R4Pe8d+mk8KGvfE9/zTwGg0nRgKqlQXrWRERv cuEwQbridlPAoQHrFWtwpgYMXx2TaZ3sihcIPo9uU5eBs0rf4mOERY75SK+Ekayv2ucTfjxr Kf014py2aoRJHuvy85ee/zIyLmve5hngZTTe3Wg3TInT9UTFzTPhItam6dZ1xqdTGHZYGU0O otRHcwLGt470grdiob6PfVTXoHlBvkWRadMhSuG4RORCDpq89vu5QralFNIf3EysNohoFy2A LYg2/D53xbU/aa4DDzBb5b1Rkg/udO1gZocVQWrDh6I2K3+cCs7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20250915101343.1449546-1-zhangchunyan@iscas.ac.cn> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: tbAzucW6fW7EPfC912BDhcdR22AQtXUh9KDeaDICKQg_1757943949 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: rspam12 X-Rspamd-Queue-Id: 260561A0013 X-Stat-Signature: wsskyox7a1mu91yjsu8d69autcy1hr5r X-Rspam-User: X-HE-Tag: 1757944056-995127 X-HE-Meta: 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 agH74J9/ 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 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 15.09.25 12:13, Chunyan Zhang wrote: > This patchset adds support for Svrsw60t59b [1] extension which is ratified now, > also add soft dirty and userfaultfd write protect tracking for RISC-V. > > The patches 1 and 2 add macros to allow architectures to define their own checks > if the soft-dirty / uffd_wp PTE bits are available, in other words for RISC-V, > the Svrsw60t59b extension is supported on which device the kernel is running. > > This patchset has been tested with kselftest mm suite in which soft-dirty, > madv_populate, test_unmerge_uffd_wp, and uffd-unit-tests run and pass, > and no regressions are observed in any of the other tests. > > This patchset applies on top of v6.17-rc6. What are the plans for this series? It fails to apply on top of mm-unstable / mm-new, so likely merge conflicts when merging through another tree. Likely best to base this on mm-new and route it through the MM tree? -- Cheers David / dhildenb