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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 01/33] PCI: Prepare to protect against concurrent isolated cpuset change Message-ID: References: <20251013203146.10162-2-frederic@kernel.org> <20251014205313.GA906793@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20251014205313.GA906793@bhelgaas> X-Stat-Signature: 41me9hy1egpbrabc3ju7ytfksmrqy48n X-Rspamd-Queue-Id: 6DA811A0016 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1761924608-647390 X-HE-Meta: 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 gNFAXgO4 bhu1PKfWychfJyBNxqKD3YqQEN5mtssPHePYO/Z9hioAVn+AEEnFY0z4eWK9TXR7ACRXs+N35d/7h65qaZYVTWmM6pr5AFow16Yf2gL9Us9dRRD6Lc4+VgYr+k6CeN2pC9Uzf5k7MRb7udlVfBT6djzbKV5Xg17p92S+7+fB05EkpfRi9a73RgQlGTEAEs/j3RmwhAtwAF3QLzaRGkiOyao1uIAM3OTcyLvIaZeT2OmINIlMRiOVWkapmcQV9PnAdmvt43+r8ALF/ARU= 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 03:53:13PM -0500, Bjorn Helgaas a écrit : > On Mon, Oct 13, 2025 at 10:31:14PM +0200, Frederic Weisbecker wrote: > > HK_TYPE_DOMAIN will soon integrate cpuset isolated partitions and > > therefore be made modifyable at runtime. Synchronize against the cpumask > > update using RCU. > > > > The RCU locked section includes both the housekeeping CPU target > > election for the PCI probe work and the work enqueue. > > > > This way the housekeeping update side will simply need to flush the > > pending related works after updating the housekeeping mask in order to > > make sure that no PCI work ever executes on an isolated CPU. This part > > will be handled in a subsequent patch. > > s/modifyable/modifiable/ (also in several other commit logs) Languages are hard. Fixing the set, thanks! -- Frederic Weisbecker SUSE Labs