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Thu, 12 Jun 2025 00:25:35 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGYXcIUPELqm844Oi0sfmBjt+dPKF9Oqlx+3OFLvEecnh1MblRL4rBN+Jxg88EOatPjNlEPHA== X-Received: by 2002:ac2:4bcb:0:b0:553:2bf7:77ac with SMTP id 2adb3069b0e04-553a6556fd4mr731226e87.41.1749713135322; Thu, 12 Jun 2025 00:25:35 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-553ac1f76fesm17684e87.226.2025.06.12.00.25.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Jun 2025 00:25:34 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id B64361AF6C9D; Thu, 12 Jun 2025 09:25:30 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Jakub Kicinski , Breno Leitao Cc: "David S. Miller" , Jesper Dangaard Brouer , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Andrew Lunn , Eric Dumazet , Paolo Abeni , Ilias Apalodimas , Simon Horman , Andrew Morton , Mina Almasry , Yonglong Liu , Yunsheng Lin , Pavel Begunkov , Matthew Wilcox , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-rdma@vger.kernel.org, linux-mm@kvack.org, Qiuling Ren , Yuying Ma , gregkh@linuxfoundation.org, sashal@kernel.org Subject: Re: [PATCH net-next v9 2/2] page_pool: Track DMA-mapped pages and unmap them when destroying the pool In-Reply-To: <20250611131241.6ff7cf5d@kernel.org> References: <20250409-page-pool-track-dma-v9-0-6a9ef2e0cba8@redhat.com> <20250409-page-pool-track-dma-v9-2-6a9ef2e0cba8@redhat.com> <20250611131241.6ff7cf5d@kernel.org> X-Clacks-Overhead: GNU Terry Pratchett Date: Thu, 12 Jun 2025 09:25:30 +0200 Message-ID: <87jz5hbevp.fsf@toke.dk> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Jakub Kicinski writes: > On Wed, 11 Jun 2025 09:35:45 -0700 Breno Leitao wrote: >> On Wed, Apr 09, 2025 at 12:41:37PM +0200, Toke H=C3=B8iland-J=C3=B8rgens= en wrote: >> > Fixes: ff7d6b27f894 ("page_pool: refurbish version of page_pool code")= =20=20 >>=20 >> Do you have plan to backport this fix to LTS kernels? I am getting some >> of these crashes on older kernel, and I am curious if there are plans to >> backport this to LTS kernels. > > I think it's worth disclosing that the crashes we see are in error > recovery on unstable HW. My vote would be to keep this out of stable > until it reaches at least one final release. Hmm, okay, guess we should ask Sasha to drop these, then? https://lore.kernel.org/r/20250610122811.1567780-1-sashal@kernel.org https://lore.kernel.org/r/20250610120306.1543986-1-sashal@kernel.org -Toke