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Interrupt controller drivers which enable CONFIG_GENERIC_PENDING_IRQ require to know whether an interrupt can be moved in process context or not to decide whether they need to invoke the work around for non-atomic MSI updates or not. This information can be retrieved via irq_can_move_pcntxt(). That helper requires access to the top-most interrupt domain data, but the driver which requires this is usually further down in the hierarchy. Introduce irq_can_move_in_process_context() which retrieves that information from the top-most interrupt domain data. [ tglx: Massaged change log ] Signed-off-by: Anup Patel <apatel@ventanamicro.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20250217085657.789309-6-apatel@ventanamicro.com