diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-06-29 02:24:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 10:26:23 -0700 |
| commit | 8d28bc751bb9ad479e33964d5d9eedfe5fb488a5 (patch) | |
| tree | 23f23556a1b83e9e7e00bb0086bb57284389fb85 /kernel/irq | |
| parent | 8fee5c36177ee098fa41f5fe72999609fef4df6b (diff) | |
| download | lwn-8d28bc751bb9ad479e33964d5d9eedfe5fb488a5.tar.gz lwn-8d28bc751bb9ad479e33964d5d9eedfe5fb488a5.zip | |
[PATCH] genirq: doc: handle_IRQ_event() and __do_IRQ() comments
Document handle_IRQ_event() and __do_IRQ().
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/handle.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 8eda1005d10a..7fc7bc33d497 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) { |