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(p200300d82f22060053c7df437dc3ae39.dip0.t-ipconnect.de. [2003:d8:2f22:600:53c7:df43:7dc3:ae39]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3bb64d33340sm11975742f8f.21.2025.08.18.00.50.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Aug 2025 00:50:13 -0700 (PDT) Message-ID: <72704edf-7b6d-4953-8d78-c998362acd0e@redhat.com> Date: Mon, 18 Aug 2025 09:50:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V5 mm-hotfixes 0/3] mm, x86: fix crash due to missing page table sync and make it harder to miss To: Harry Yoo , Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Andy Lutomirski , Peter Zijlstra , "H . Peter Anvin" Cc: Andrey Ryabinin , Arnd Bergmann , Dennis Zhou , Tejun Heo , Christoph Lameter , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Juergen Gross , Kevin Brodsky , Oscar Salvador , Joao Martins , Lorenzo Sccakes , Jane Chu , Alistair Popple , Mike Rapoport , Gwan-gyeong Mun , "Aneesh Kumar K . V" , Uladzislau Rezki , "Liam R . Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Qi Zheng , Ard Biesheuvel , Thomas Huth , John Hubbard , Ryan Roberts , Peter Xu , Dev Jain , Bibo Mao , Anshuman Khandual , Joerg Roedel , x86@kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org References: <20250818020206.4517-1-harry.yoo@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 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: <20250818020206.4517-1-harry.yoo@oracle.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: T9OG7TTtuVMy9VWA6VInRVHkaVJDs0qhy-ee6fqwv2w_1755503415 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: nwa99kj4ge41ik43pncy3t7rswhq9389 X-Rspam-User: X-Rspamd-Queue-Id: 05A4C40013 X-Rspamd-Server: rspam01 X-HE-Tag: 1755503417-229631 X-HE-Meta: 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 fW6HIxE5 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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 18.08.25 04:02, Harry Yoo wrote: > To x86 folks: > It's not clear whether this should go through the MM tree or the x86 > tree as it changes both. We could send it to the MM tree with Acks > from the x86 folks, or we could send it through the x86 tree instead. > What do you think? I think this should go through the MM tree with ACKs on the x86 parts from respective maintainers. -- Cheers David / dhildenb