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b=O4m6QqxkfAc7sZtGUsfcPFq6rt1bPHxItmWHGnIY1kRKfohjkwgeeKEq9Z3JlZapM OP1eD7/+CX2FqcJFZtb4WXxwz8csERM73dB6r1GhFDDnGPCyiwL5jQmo1RQJdnBCeI lsve2YpejjEaunrSnCW/OE4uFfDR+FUp+Re41vcuw56utSryBKBSCZDmTSoXJMSoF9 o0+9XB5neNrQFz1wfYXagNIF+iMxWE79hWNL2mTqRHfLICjdKzc7lRKd02MlWUHDdJ FPBUEvv+QBz0i+M4nOe/WTFIFKhXPN3k+rOFrqcIN4g1qfn+FiaMbMUtqe41yflnfH H490zBtefElwg== Message-ID: <04875b82-6671-4f43-aa59-190fd09c7108@kernel.org> Date: Mon, 1 Jun 2026 17:04:31 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/6] userfaultfd/pagemap: pre-existing fixes To: Kiryl Shutsemau , Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Lorenzo Stoakes , Mike Rapoport References: <20260529172331.356655-1-kas@kernel.org> <20260529173448.40a37785ecbecb6868fdd6a2@linux-foundation.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: A5EEC40013 X-Rspam-User: X-Stat-Signature: wr1g65yynpw83q81tb9otzyu74r3zznd X-Rspamd-Server: rspam08 X-HE-Tag: 1780326275-772051 X-HE-Meta: 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 M7uTWHFn 5dhtXMtMwy1ZQYq3jfOtUKbJuQ/hEjGS4R/Mn7UcnXXDJdhqfe2LAg+2Y2j2AMGor8XSGJlvStDtOCXtPowMFPxCg1drWnpk+20p2KhFTZjfvFyoeH+laWQe90czUrXKpHiOWPbsyztwXI0yx1TWb17DzPpHfPmMkO5lB0WwgiLFfxo4Dok9zqksaj6JdGiDpBBWDlH5xrytk6ZROLHedcLOZIf0gJkcCft3O/0ONqECNaGRrShcvLJTd+yHS2Jy05QDAfzjhFsiO1MGpNygYfhIZYNJZGQNQCwKR8BlSX3WawGReftVkOIPOO1XtEGv7uFuzJQw3U5XyYYUOE6dOc2H7kw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 6/1/26 16:17, Kiryl Shutsemau wrote: > On Fri, May 29, 2026 at 05:34:48PM -0700, Andrew Morton wrote: >> On Fri, 29 May 2026 18:23:24 +0100 "Kiryl Shutsemau (Meta)" wrote: >> >>> These are pre-existing bug fixes that were carried at the front of the >>> userfaultfd RWP working-set-tracking series up to v5 [1]. Per review >>> feedback that fixes should not sit in the middle of a feature series, >>> they are split out and sent on their own; the RWP series is reposted >>> rebased on top of this. >>> >>> All six were flagged by the Sashiko AI review of the RWP series and >>> carry Reported-by: Sashiko AI review . They are >>> independent of RWP, apply to mm-new directly, and carry Cc: stable@. >> >> And... this made Sashiko point at other stuff: >> https://sashiko.dev/#/patchset/20260529172331.356655-1-kas@kernel.org >> >> I can't figure out why four of the scans failed - "View Raw Log" comes up empty. > > Seems to be passed now. > >> It's concerning how frequently Sashiko is finding pre-existing things. What >> would a full scan of mm/ tell us? Gulp. > > Yeah... :/ > > I will look at the new batch of pre-existing issues when I have spare > cycles. I am not sure I have the bandwidth to find the bottom of this > rabbit hole. > > What do you want me to with the main userfaultfd patchset? Sashiko > failed to apply it because it is on top of the pre-existing fixes. I suspect it might have a minor conflict with another incoming fix from Lorenzo as well. Probably put it into mm-unstable early after the next release? At least I think it's not in mm-unstable yet and we are approaching the net release quickly ... -- Cheers, David