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1204e95689
The WARN_ON_ONCE in handle_percpu_event() which emits a warning when an action handler returns with interrupts enabled is not really useful. It does not reveal the interrupt number and handler function which caused it. Make it WARN_ONCE() and add the information. Reported-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>