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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-429c110037asm9428834f8f.3.2025.11.01.05.14.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 01 Nov 2025 05:14:42 -0700 (PDT) Message-ID: Date: Sat, 1 Nov 2025 13:14:40 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 03/12] powerpc/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> <20251029100909.3381140-4-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: <20251029100909.3381140-4-kevin.brodsky@arm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 6uRkl_7BWTg_2Cyzqcb1AUsJa_xeu6lOMJUqBu8SQjM_1761999284 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-Queue-Id: 05DAC1C000C X-Rspamd-Server: rspam03 X-Stat-Signature: bz13tj4ieu5uokrygefj8h5cgd1uh9jf X-HE-Tag: 1761999286-248329 X-HE-Meta: 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 Km2Ly8es 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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