Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8d28bc75 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

[PATCH] genirq: doc: handle_IRQ_event() and __do_IRQ() comments 



Document handle_IRQ_event() and __do_IRQ().

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8fee5c36

kernel/irq/handle.c

+16 −4
Original line number Diff line number Diff line
@@ -76,8 +76,13 @@ irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs) 
	return IRQ_NONE;

}



/*

 * Have got an event to handle:

/**

 * handle_IRQ_event - irq action chain handler

 * @irq:	the interrupt number

 * @regs:	pointer to a register structure

 * @action:	the interrupt action chain for this irq

 *

 * Handles the action chain of an irq event

 */

irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,

			     struct irqaction *action)
@@ -103,10 +108,17 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs, 
	return retval;

}



/*

 * do_IRQ handles all normal device IRQ's (the special

/**

 * __do_IRQ - original all in one highlevel IRQ handler

 * @irq:	the interrupt number

 * @regs:	pointer to a register structure

 *

 * __do_IRQ handles all normal device IRQ's (the special

 * SMP cross-CPU interrupts have their own specific

 * handlers).

 *

 * This is the original x86 implementation which is used for every

 * interrupt type.

 */

fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)

{