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b=amfBpJiA8UWsnzbzOXmQY/kIEg6eeOeaN2QJe7DGfVrVp1qnMpfpyhcEf17W49DAC dMofOOX8s73YhLvCk0O47w8SB+udHD6CTY1MD5x8P49s6FNj4DbJoUpOUlEng4qocM t/X/8A3S312Cy2csgXvr1HwRaUGCxMDH/XzjihVfA94O4lghkWz0s8Sq4ENTEfwlQ9 9DP7vkAXqxx7aLcfvKOrKHY2WIVtiUtGjZ6qOqkeXutkoAzuABOQKBSU7NDrwzUmD8 cAwUzOLU1GHO+XGfWuFHnFPZqNqxyNfYCY8MPPB59F9TEwjvTWgb3lVhEubvxJTyEa 3Lw+9yecSFWBg== Message-ID: <66195af3-2fe7-40bc-933b-0d17aba7226f@kernel.org> Date: Mon, 1 Jun 2026 14:10:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] mm/page_vma_mapped_walk: Use ptep_get_lockless() for lockless access To: Alexander Gordeev , Andrew Morton , Lorenzo Stoakes , Anshuman Khandual , Oscar Salvador , Wei Yang Cc: linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20260528075507.1821939-1-agordeev@linux.ibm.com> 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: <20260528075507.1821939-1-agordeev@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 2764A40006 X-Stat-Signature: 5x175dpjsp8r94ho8nx6gn4s3134afis X-HE-Tag: 1780315860-325131 X-HE-Meta: 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 nC5FFhLA 3g6lFYahxF6ecWpoUbyOGXssxEb+HIDf56QGISWfRIYhZgsMkEKeSZ4fko1UOSaTO1jJ1/CMBVO0Axo6nQ9J2e4eVWZsbqNKhajppCpi/rRN/wBImL3ZxIzcABepyK9UAEO8CixjPPkYeTTRHWo5CgwMsS+qqRinRgUrW6eLbfVT/ajr+BwcBQdj4CaVnsHOo2ea44hD437EWd6tKKHsgPiwNzVOPOWqKbTHNsoncH9sgCIU8B/fnpeppg3n/SGTAcCYqmzqZrDcSgoF4GVXX8ZRjFJ53C7NL9rsj5RgOJUZyKsV8DYphwRn34Ms9RMiZiqAiSvZeMJzC5YijC1h6jzV65CtYofOWgudeXr+vSxlECJgKdSsQs5BOhNrqGBNl3pkNJo51cPeIO3OTSJ2y9JB+NGhiRHY8oB+mKq1bTk9Hhw/Wh9wA+WZWQvjW9uHowx/8 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 5/28/26 09:55, Alexander Gordeev wrote: > Switch from ptep_get() to ptep_get_lockless() accessor for > PTE reads when no lock is taken. > > Signed-off-by: Alexander Gordeev > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David