From 8d28bc751bb9ad479e33964d5d9eedfe5fb488a5 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 29 Jun 2006 02:24:46 -0700 Subject: [PATCH] [PATCH] genirq: doc: handle_IRQ_event() and __do_IRQ() comments Document handle_IRQ_event() and __do_IRQ(). Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/irq/handle.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 8eda1005d1..7fc7bc33d4 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -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) { -- 2.39.5