timers/migration: Add mask for CPUs available in the hierarchy

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Keep track of the CPUs available for timer migration in a cpumask. This
prepares the ground to generalise the concept of unavailable CPUs.

Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251120145653.296659-3-gmonaco@redhat.com

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Gabriele Monaco 2025-11-20 15:56:48 +01:00 • committed by Thomas Gleixner

parent 8312cab5ff

commit a048ca5f00

1 changed files with 14 additions and 1 deletions

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kernel/time/timer_migration.c

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