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    SubjectRe: sparc64 build breakage...
    From
    From: David Miller <davem@davemloft.net>
    Date: Wed, 21 Jan 2009 17:15:53 -0800 (PST)

    >
    > This change:
    >
    > commit d7e51e66899f95dabc89b4d4c6674a6e50fa37fc
    > Author: Yinghai Lu <yinghai@kernel.org>
    > Date: Wed Jan 7 15:03:13 2009 -0800
    >
    > sparseirq: make some func to be used with genirq
    >
    > breaks the sparc64 build:
    ...
    > arch/sparc/kernel/irq_64.c: In function ‘show_interrupts’:
    > arch/sparc/kernel/irq_64.c:188: error: ‘struct kernel_stat’ has no member named ‘irqs’
    > make[1]: *** [arch/sparc/kernel/irq_64.o] Error 1
    >
    > This should fix it:
    >
    > sparc64: Fix build by using kstat_irqs_cpu().

    Actually this isn't enough, next failure:

    arch/sparc/kernel/time_64.c: In function ‘timer_interrupt’:
    arch/sparc/kernel/time_64.c:732: error: implicit declaration of function ‘kstat_incr_irqs_this_cpu’
    make[1]: *** [arch/sparc/kernel/time_64.o] Error 1

    There seems to be a disconnect in linux/kernel_stat.h about
    providing the same set of interfaces whether GENERIC_IRQS
    is set or not. kstat_incr_irqs_this_cpu is one example.
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