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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: [PATCH 20/33] timers/migration: Remove superfluous cpuset isolation test Date: Sun, 25 Jan 2026 23:45:27 +0100 Message-ID: <20260125224541.50226-21-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20260125224541.50226-1-frederic@kernel.org> References: <20260125224541.50226-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 57C33100003 X-Stat-Signature: 5iij14jhxwbzxqo9fyh3k4iyakbywewi X-Rspam-User: X-HE-Tag: 1769381315-821563 X-HE-Meta: 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 RIHm/RwA NG7tbY3LehE7lYVG5n7Z5WME9eictSxwejSWkv3nJwp8xQ+C9q6rKgqW7RuZdnLq67KRFZ5xnzNX0CMQ8f7j9nqJkTaPEajB3qnIoq4ZXhzt3ahwQ5eKhfRFlHVecvqTxwd/EAt3kgZZW8OfmORdAY98OIrYMW+G474cDbqE4dyVmBinehxs6wAFb6nqPqNH9qU724ICgBAsZClAowqGFVUFIy5QaezEbJpBU 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: Cpuset isolated partitions are now included in HK_TYPE_DOMAIN. Testing if a CPU is part of an isolated partition alone is now useless. Remove the superflous test. Signed-off-by: Frederic Weisbecker Reviewed-by: Waiman Long --- kernel/time/timer_migration.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c index 3879575a4975..6da9cd562b20 100644 --- a/kernel/time/timer_migration.c +++ b/kernel/time/timer_migration.c @@ -466,9 +466,8 @@ static inline bool tmigr_is_isolated(int cpu) { if (!static_branch_unlikely(&tmigr_exclude_isolated)) return false; - return (!housekeeping_cpu(cpu, HK_TYPE_DOMAIN) || - cpuset_cpu_is_isolated(cpu)) && - housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE); + return (!housekeeping_cpu(cpu, HK_TYPE_DOMAIN) && + housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE)); } /* -- 2.51.1