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(p200300d82f3f4b00ee138c225cc5d169.dip0.t-ipconnect.de. [2003:d8:2f3f:4b00:ee13:8c22:5cc5:d169]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c9737830sm2218179f8f.16.2025.11.01.05.14.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 01 Nov 2025 05:14:57 -0700 (PDT) Message-ID: <15f832f9-b95d-4b08-8467-21a27cbf8450@redhat.com> Date: Sat, 1 Nov 2025 13:14:55 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 04/12] sparc/mm: implement arch_flush_lazy_mmu_mode() To: Kevin Brodsky , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Alexander Gordeev , Andreas Larsson , Andrew Morton , Boris Ostrovsky , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dave Hansen , "David S. Miller" , David Woodhouse , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Juergen Gross , "Liam R. Howlett" , Lorenzo Stoakes , Madhavan Srinivasan , Michael Ellerman , Michal Hocko , Mike Rapoport , Nicholas Piggin , Peter Zijlstra , Ryan Roberts , Suren Baghdasaryan , Thomas Gleixner , Vlastimil Babka , Will Deacon , Yeoreum Yun , linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org References: <20251029100909.3381140-1-kevin.brodsky@arm.com> <20251029100909.3381140-5-kevin.brodsky@arm.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: <20251029100909.3381140-5-kevin.brodsky@arm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: uTNVOnE71cYqs1wJA2fSwt8ykqWkQo0amS7n40ZL-ds_1761999298 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 6E2E38000F X-Stat-Signature: ykekg6km391axe5oh7zdu3ei5tg9qwkc X-HE-Tag: 1761999302-441846 X-HE-Meta: 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 wEEj0i6B 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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 29.10.25 11:09, Kevin Brodsky wrote: > Upcoming changes to the lazy_mmu API will cause > arch_flush_lazy_mmu_mode() to be called when leaving a nested > lazy_mmu section. > > Move the relevant logic from arch_leave_lazy_mmu_mode() to > arch_flush_lazy_mmu_mode() and have the former call the latter. > > Note: the additional this_cpu_ptr() on the > arch_leave_lazy_mmu_mode() path will be removed in a subsequent > patch. > > Signed-off-by: Kevin Brodsky > --- Acked-by: David Hildenbrand -- Cheers David / dhildenb