On Wed, 5 Sep 2018, Guo Ren wrote:
> +static void (*handle_arch_irq)(struct pt_regs *regs) = NULL;
> +
> +void __init set_handle_irq(void (*handle_irq)(struct pt_regs *))
> +{
> + if (handle_arch_irq)
> + return;
> +
> + handle_arch_irq = handle_irq;
> +}
Please don't introduce yet another variant of that. Please use
CONFIG_GENERIC_IRQ_MULTI_HANDLER which provides that in the generic code.
Btw, some of your patches have tab vs. space inconsistencies, e.g.
+ siginfo_t info;
+ int fault;
+ unsigned long address = mmu_meh & PAGE_MASK;
Thanks,
tglx
