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Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tiHrZ-00000005dDY-05Hq; Wed, 12 Feb 2025 18:53:33 +0000 Date: Wed, 12 Feb 2025 18:53:32 +0000 From: Matthew Wilcox To: Yunsheng Lin Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, zhangkun09@huawei.com, liuyonglong@huawei.com, fanghaiqing@huawei.com, Alexander Lobakin , Robin Murphy , Alexander Duyck , Andrew Morton , IOMMU , MM , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Matthias Brugger , AngeloGioacchino Del Regno , netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH net-next v9 0/4] fix the DMA API misuse problem for page_pool Message-ID: References: <20250212092552.1779679-1-linyunsheng@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250212092552.1779679-1-linyunsheng@huawei.com> X-Stat-Signature: dzggxtwe1mfht7nwhkuygcwujje8ba1u X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: D3C12140016 X-Rspam-User: X-HE-Tag: 1739386427-876915 X-HE-Meta: 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 B7OGucVb LYt4qU1OnkFGi7gRBl83QdDbML055DqVr+JG3WeN9gyOzk9ynx85bR4emeP6+/XUmgbr+VvJXwCXpLxU/x9aFNqfuh2Cr8PcjUsJJpUD6ZR1wuYQIiJXvlAtCZOfa2aVEoX33Ezm9JzNsucTgdOVLk1wyKSBW3hNqvFqcsSjgGjp0IctGkEOlrkU96zB/SW8PL+5tf1h8vAPCKDGXC0w36mb3FTZOfOLHQ1dq6sa0D5hK5oWgUQEEjzznJBSeiN0fk2WAYwRL+dpqxW1nptbK/e/L98hycHyC9wQCwXvthzHNoVQRJChRj5ysoF+xUj/UvtJ6MY9rkj2MTqHhiq6fP1vKka1FPqxKfNM5r2TIlDqI+fZpaEOcNoa6nA== 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 Wed, Feb 12, 2025 at 05:25:47PM +0800, Yunsheng Lin wrote: > This patchset fix the dma API misuse problem as mentioned in [1]. > > 1. https://lore.kernel.org/lkml/8067f204-1380-4d37-8ffd-007fc6f26738@kernel.org/T/ That's a very long and complicated thread. I gave up. You need to provide a proper description of the problem.