Commit e1a6af4b authored by Josh Cartwright's avatar Josh Cartwright Committed by Thomas Gleixner
Browse files

genirq: Update irq_set_irqchip_state documentation 



On RT kernels, the use of migrate_disable()/migrate_enable() is sufficient
to guarantee a task isn't moved to another CPU.  Update the
irq_set_irqchip_state() documentation to reflect this.

Signed-off-by: default avatarJosh Cartwright <joshc@ni.com>
Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210917103055.92150-1-bigeasy@linutronix.de
parent 6880fa6c

kernel/irq/manage.c

+1 −1
Original line number Diff line number Diff line
@@ -2827,7 +2827,7 @@ EXPORT_SYMBOL_GPL(irq_get_irqchip_state); 
 *	This call sets the internal irqchip state of an interrupt,

 *	depending on the value of @which.

 *

 *	This function should be called with preemption disabled if the

 *	This function should be called with migration disabled if the

 *	interrupt controller has per-cpu registers.

 */

int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which,