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Miller" , Eric Dumazet , Gabriele Monaco , Greg Kroah-Hartman , Ingo Molnar , Jakub Kicinski , Jens Axboe , Johannes Weiner , Lai Jiangshan , Marco Crivellari , Michal Hocko , Muchun Song , Paolo Abeni , Peter Zijlstra , Phil Auld , "Rafael J . Wysocki" , Roman Gushchin , Shakeel Butt , Simon Horman , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Waiman Long , Will Deacon , cgroups@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 16/33] PCI: Flush PCI probe workqueue on cpuset isolated partition change Message-ID: References: <20251013203146.10162-17-frederic@kernel.org> <20251014205034.GA906667@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20251014205034.GA906667@bhelgaas> X-Stat-Signature: 8xgtbes7ik83piqea84a4qyrrzgmtwe1 X-Rspam-User: X-Rspamd-Queue-Id: E4036180011 X-Rspamd-Server: rspam10 X-HE-Tag: 1762360093-435692 X-HE-Meta: U2FsdGVkX1/RD08GCVqaVk3wjJT96rFsFBAd5ZB7F8dWb6Jq320TJfRU/VeqRZXSVZli6QwDU7xDFTPC1LChH7metric+fVgQ9NHD/nY2RXkILXnxvczfo5jOZyxcz+kwvt829MPs4ibWInD7SjkWBzxpDy2MWxJdIQkcEZGIC70vTRMzGmYyz+Di5fW+M4hDWufp6Yxef8d9bAarEOrfHtNyxkE1FrNK6bV/REx4CVfbm9cXnEWGhriGNHPPs2QcbsNT69V+Sn8V6N91ZS1LRNBqknwyUkOExzZPXaTIbjmKme0l8zwVxKS+7aSxftHa14W5rE21cp6db2fQ6J8O6mPrgH/uZONevIQfv4lFsWt+22eDpgn9tZgLGaF1J6r5FV05mHpwPPovzGpq9hJ7Ui9ObjKhAf2UbcqundrgG2ivUjr8VhXC6FsmlN8H6mBEaraTBABAVjBoLT70tnvPzu4N5wQZClGtzD6vaGjJ/XnCv4tvRUFxvAZIvqBCrSEDRT81hxmjCEG4Qk73EDw5LRoaoRYe2B+fQs2RLVptO5IGqQh6xC5xFmlgScbY7vefMNpFHuo3a+OfYwAUeb7bXmxKaVRtMalN6qD7FtLNtiyP1qK+OayIFHbrV0b3cxwtokQuDw+TbtMUWNj7IHkt/e65A/VAtFM1G4s8+YoBQdUZh/LCROzy0+KbAECLfzDFHf3AilCUdymq6pPFZcX+3LLvF0DJcjt8uAUZ6CHpGdYU+dq3ddPKj58leyEOnaWp2jAO5IotfyQln8MuME3p/+b4xt0Lx4qs7MseUbVFkk1Mw7kGaNPNmeAjhmn+ZI4GH/WSJJ77jIf6eZ0kDzv/zGwSNDAfTV91sT2lAZHDlmF+QPohMLAULuL/jMHvGijo8wShuEZ7ChxCIR9uXPBfysbpB9SriJ0PX5BYuU3Ah47iEa4RTMDFZtZWPw4BcRHZi6FkSyrUt5a5bljmZ8 u6Ppdo1L 8XAz3B+rf+rwUUjpa2hn/tM4Uwl1/gqZEV4HyuwkmSV9asPiOjcCEICpKldWiz8v6UJexvR0SYyRDzcJl/+u6ByRK8GkKENfGWHXMNfDVsjVThN88LE9X6H0Z4MFejLUq31Ky3qk7hbPDtYAlWAeM8Iz6PNSqrz0c3t75mT7nv5scoghVhIxqWCXzGZX/3phFPjQprMQ5v+ByPeRwwn9wOl6bh5TIlrZCnugNK6UH72gJvrU= 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: Le Tue, Oct 14, 2025 at 03:50:34PM -0500, Bjorn Helgaas a écrit : > On Mon, Oct 13, 2025 at 10:31:29PM +0200, Frederic Weisbecker wrote: > > The HK_TYPE_DOMAIN housekeeping cpumask is now modifyable at runtime. In > > order to synchronize against PCI probe works and make sure that no > > asynchronous probing is still pending or executing on a newly made > > isolated CPU, the housekeeping susbsystem must flush the PCI probe > > works. > > > > However the PCI probe works can't be flushed easily since they are > > queued to the main per-CPU workqueue pool. > > > > Solve this with creating a PCI probe specific pool and provide and use > > the appropriate flushing API. > > s/modifyable/modifiable/ > s/newly made isolated/newly isolated/ > s/susbsystem/subsystem/ > s/PCI probe specific pool/PCI probe-specific pool/ All fixed! Thanks. -- Frederic Weisbecker SUSE Labs