Re: [RFC] x86: merging nmi 32/64 to nmi.c v2
From: Hiroshi Shimamoto
Date: Wed May 21 2008 - 14:20:50 EST
Cyrill Gorcunov wrote:
> This is a second attempt to merge nmi-32/64 to nmi.c
> Summary changes:
> - last_irq_sums and alert_counter was defined as static arrays in 32bit
> mode, so they were changed to per_cpu variables
This was already done, see http://lkml.org/lkml/2008/5/2/525.
But it doesn't affect the unified file.
> +#ifdef CONFIG_X86_64
> +static unsigned ignore_nmis;
> +asmlinkage notrace __kprobes void
> +do_nmi(struct pt_regs *regs, long error_code)
> + nmi_enter();
> + add_pda(__nmi_count,1);
> + if (!ignore_nmis)
> + default_do_nmi(regs);
> + nmi_exit();
> +void stop_nmi(void)
> + acpi_nmi_disable();
> + ignore_nmis++;
> +void restart_nmi(void)
> + ignore_nmis--;
> + acpi_nmi_enable();
> +#endif /* CONFIG_X86_64 */
I'm guessing we can move these functions to traps_64.c.
I've tried to move these functions from traps_32.c to nmi_32.c,
but it caused build error on some 32bit configs.
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