Re: Stop people including linux/irq.h

[Nigel Cunningham]

Hi.

On Thu, 2004-10-21 at 04:16, Russell King wrote:
> -struct hw_interrupt_type {
> -	const char * typename;
> -	unsigned int (*startup)(unsigned int irq);
> -	void (*shutdown)(unsigned int irq);
> -	void (*enable)(unsigned int irq);
> -	void (*disable)(unsigned int irq);
> -	void (*ack)(unsigned int irq);
> -	void (*end)(unsigned int irq);
> -	void (*set_affinity)(unsigned int irq, cpumask_t dest);
> -};
> -
> -typedef struct hw_interrupt_type  hw_irq_controller;
> -
> -/*
> - * This is the "IRQ descriptor", which contains various information
> - * about the irq, including what kind of hardware handling it has,
> - * whether it is disabled etc etc.
> - *
> - * Pad this out to 32 bytes for cache and indexing reasons.
> - */
> -typedef struct irq_desc {
> -	unsigned int status;		/* IRQ status */
> -	hw_irq_controller *handler;
> -	struct irqaction *action;	/* IRQ action list */
> -	unsigned int depth;		/* nested irq disables */
> -	unsigned int irq_count;		/* For detecting broken interrupts */
> -	unsigned int irqs_unhandled;
> -	spinlock_t lock;
> -} ____cacheline_aligned irq_desc_t;
> -
> -extern irq_desc_t irq_desc [NR_IRQS];
> -

Hmm. How about suspend-to-disk (and -ram?), lkcd and the like saving and
restoring IRQ affinities?

Regards,

Nigel
-- 
Nigel Cunningham
Pastoral Worker
Christian Reformed Church of Tuggeranong
PO Box 1004, Tuggeranong, ACT 2901

Many today claim to be tolerant. True tolerance, however, can cope with others
being intolerant.

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