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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: Wed, 24 Dec 2025 14:45:07 +0100 Message-ID: <20251224134520.33231-21-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251224134520.33231-1-frederic@kernel.org> References: <20251224134520.33231-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B494B4000B X-Stat-Signature: tdd1aqsk81pbikwtoj9ab3388tmt3bw3 X-Rspam-User: X-HE-Tag: 1766584103-725711 X-HE-Meta: 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 Hzz+6b9b NnHBvB+/DUg4dZ9SHxmopximfvC0cGlMDs555EYExGwUkmTpUjfRIt+aYIYJ4GxHO6ah+4tEhFL5pULbL+amVkuSsSnzKdIzc30PWj5z/prC2DPZbxrS/c7gtpV3/HRvzNZiUvIL5dWYf1fEgLD8a6g002H0JwQIQJ6WJ4ZeZFw6GxsSJM2wxOkvNjl9Wc8XOO2H6v0JEXgwS2A3TgGWzGv5n0i0oVmVUY346pVoLjfPmJzMBb4HLrJAoj9Cvsh2rPgrKpRB10/N56SY= 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 --- 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