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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: Thu, 1 Jan 2026 23:13:45 +0100 Message-ID: <20260101221359.22298-21-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20260101221359.22298-1-frederic@kernel.org> References: <20260101221359.22298-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: D78D6C0004 X-Rspamd-Server: rspam10 X-Stat-Signature: b7uhgtac6w6r9wsxr7rmb17riseu3zgm X-HE-Tag: 1767305818-199428 X-HE-Meta: U2FsdGVkX1/By9nXl0gIDTv30SqKX1CB7Oq+6tct3qd5Ir04dAu/1aKHXnDJCDa3qwW1CqWv2f/oxjgmcvNxqdsC8OmN6fDuH/Yd5YvOic4axl6DnTiWC+0MxJMtMVJnZkzRZ3SI5NOPVtiiPdjMxGY2ZzbGbymSyf42UKlESySMTck03zAgbB294Y7nZesHZ+f620tjVoX1B1KF7kJgJeHgH8hLVcbWSFiOGhgfaW/5Nc8P+9lFnTp2YRnI2t5ixLx4Spu+Xrs8Rom/0vF4JjvWpLxrn11haEOV7Fa0XkACB6JwC5ey0c/rMzEUMFIn4u117BCIj4+Xw7BqlR3KSNNVrkKSkgCV/WWWafzicr2Ta8nYafRCE/VYBklp4PgXIQufmlVY7Zx3PoLNP4OBZob43H0AvBUhMpv2dsf+ulnhThhJLNOvONMYwneWs02kmaMH2DD71X99ycGmtGxyMGizq3YBJWepADIEujPHNqL/VGwvEPVrKfYAT4d5hi7W0fYaQsrvH/bCzi6V6dy6ZBv3tx8ayKCkh12zmjGEKAaDGFncL6CUxeaZjlj6uU6GFUAv2IUG1C8Pgasx9AMkHc4cGQZNFDQeeIqedbwlolp9jsPQiG8W609VCAF2qPoQE4PqPpJ6khPt9RNC1RceEcOXviIwpuYBLMeKJsP3EgdDXQFSLBoZKD0HVBdvH8cnwW1kY9F50IF5HrYvUMcj0R4N1JlaniuwS+Ma6LK2chfGzcDbQ6COsWGPAYsMX3PYy5CGimaki8h8qnT/xY2xSKRgoP0oa34PFLQGz2nKNVnP3qCEyjpttnQBNhvlzRyqqoUgWCQ4u7YnG0sfeO1qpI3+DTzGv899JyERXQLvHtoRWNFB+79hggjxGGzOD+DZrIzJmxXrAPlbfX0WjVROZQ== 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