Hi,
> > +static inline void ack_bad_irq(unsigned int irq)
> > +{
> > + printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
> > +}
>
> Looks like some unrelated gunk slipped into this patch :-)
We need that to link :)
kernel/irq/handle.c: In function ‘handle_bad_irq’:
kernel/irq/h
> +typedef struct {
> + unsigned int __softirq_pending;
> +} cacheline_aligned irq_cpustat_t;
> +
> +DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
> +
> +#define __ARCH_IRQ_STAT
> +
> +#define local_softirq_pending()
> __get_cpu_var(irq_stat).__softirq_pending
> +
> +stati
PowerPC is currently using asm-generic/hardirq.h which statically allocates an
NR_CPUS irq_stat array. Switch to an arch specific implementation which uses
per cpu data:
On a kernel with NR_CPUS=1024, this saves quite a lot of memory:
textdata bss dec hexfilename
8767
