[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v3 09/18] xen/arm: IRQ Introduce irq_get_domain
This function retrieves a domain from an IRQ. It will be used in several places (such as do_IRQ) to avoid duplicated code when multiple action will be supported. Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> --- Changes in v2: - Patch added --- xen/arch/arm/irq.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/irq.c b/xen/arch/arm/irq.c index bb4e049..9320ac7 100644 --- a/xen/arch/arm/irq.c +++ b/xen/arch/arm/irq.c @@ -98,6 +98,15 @@ void __cpuinit init_secondary_IRQ(void) BUG_ON(init_local_irq_data() < 0); } +static inline struct domain *irq_get_domain(struct irq_desc *desc) +{ + ASSERT(spin_is_locked(&desc->lock)); + ASSERT(desc->status & IRQ_GUEST); + ASSERT(desc->action != NULL); + + return desc->action->dev_id; +} + int request_dt_irq(const struct dt_irq *irq, void (*handler)(int, void *, struct cpu_user_regs *), const char *devname, void *dev_id) @@ -156,7 +165,7 @@ void do_IRQ(struct cpu_user_regs *regs, unsigned int irq, int is_fiq) if ( desc->status & IRQ_GUEST ) { - struct domain *d = action->dev_id; + struct domain *d = irq_get_domain(desc); desc->handler->end(desc); -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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