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Sat, 08 Nov 2025 18:32:30 -0800 (PST) MIME-Version: 1.0 References: <20251107210526.257742-1-pasha.tatashin@soleen.com> <20251107143310.8b03e72c8f9998ff4c02a0d0@linux-foundation.org> <20251108103655.1c89f05222ba06e24ddc3cc3@linux-foundation.org> In-Reply-To: <20251108103655.1c89f05222ba06e24ddc3cc3@linux-foundation.org> From: Pasha Tatashin Date: Sat, 8 Nov 2025 21:31:54 -0500 X-Gm-Features: AWmQ_bkVcbxT0gV7fpmnxd0SCIbpS_2m6TSXTf-t_TBkr04sjlFMoWl4do6gJ2w Message-ID: Subject: Re: [PATCH v5 00/22] Live Update Orchestrator To: Andrew Morton Cc: pratyush@kernel.org, jasonmiu@google.com, graf@amazon.com, rppt@kernel.org, dmatlack@google.com, rientjes@google.com, corbet@lwn.net, rdunlap@infradead.org, ilpo.jarvinen@linux.intel.com, kanie@linux.alibaba.com, ojeda@kernel.org, aliceryhl@google.com, masahiroy@kernel.org, tj@kernel.org, yoann.congal@smile.fr, mmaurer@google.com, roman.gushchin@linux.dev, chenridong@huawei.com, axboe@kernel.dk, mark.rutland@arm.com, jannh@google.com, vincent.guittot@linaro.org, hannes@cmpxchg.org, dan.j.williams@intel.com, david@redhat.com, joel.granados@kernel.org, rostedt@goodmis.org, anna.schumaker@oracle.com, song@kernel.org, zhangguopeng@kylinos.cn, linux@weissschuh.net, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, gregkh@linuxfoundation.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, rafael@kernel.org, dakr@kernel.org, bartosz.golaszewski@linaro.org, cw00.choi@samsung.com, myungjoo.ham@samsung.com, yesanishhere@gmail.com, Jonathan.Cameron@huawei.com, quic_zijuhu@quicinc.com, aleksander.lobakin@intel.com, ira.weiny@intel.com, andriy.shevchenko@linux.intel.com, leon@kernel.org, lukas@wunner.de, bhelgaas@google.com, wagi@kernel.org, djeffery@redhat.com, stuart.w.hayes@gmail.com, ptyadav@amazon.de, lennart@poettering.net, brauner@kernel.org, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, saeedm@nvidia.com, ajayachandra@nvidia.com, jgg@nvidia.com, parav@nvidia.com, leonro@nvidia.com, witu@nvidia.com, hughd@google.com, skhawaja@google.com, chrisl@kernel.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: CD2CB40006 X-Stat-Signature: 898tyuskmicy9zgiesnung47tfu9qci1 X-Rspam-User: X-HE-Tag: 1762655551-673785 X-HE-Meta: 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 BSqfJiz1 L2Ol09x84QTuYDgpZsRq9q3A2e2LZTYOYgvkkBdy+FddySqIVORF7pBspNEWtNjOtaxh1O+eR6HG3XpwnIy8wEgJHqc+T4CEymEuLOKDjCuvj0Vk004tBSvonQlOEynlOQkhOyGQxamCuvBZ7g6tqafmWIM2dDG+XRwdQwBT5lcfe87YX/jiQYvUPuf81QCEWUvp78CQd3esUGs/tzTBIF//3qkA6Hv2jpXBdSsTk8zWaGlHahbXSuxLgdEZnzRBwLJXj 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: > No prob. > > It's unfortunate that one has to take unexpected steps (disable > CONFIG_DEFERRED_STRUCT_PAGE_INIT) just to compile test this. > > It's a general thing. I'm increasingly unhappy about how poor > allmodconfig coverage is, so I'm starting to maintain a custom .config > to give improved coverage. That's an interesting point. The depends on !DEFERRED_STRUCT_PAGE_INIT reduces build and potentially other automatic test coverage for LUO/KHO. We should prioritize relaxing this constraint. There are a few possible short- and long-term solutions, which I will discuss with Mike and Pratyush at our next sync. Thanks, Pasha