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Re: [Xen-devel] [PATCH v5 05/12] x86/apic: Unify interrupt mode setup for SMP-capable system



On Fri, 30 Jun 2017, Dou Liyang wrote:
> -static int __init apic_intr_mode_select(void)
> +static int __init apic_intr_mode_select(int *upmode)
>  {
>       /* Check kernel option */
>       if (disable_apic) {
> @@ -1206,12 +1208,30 @@ static int __init apic_intr_mode_select(void)
>       if (!smp_found_config) {
>               disable_ioapic_support();
>  
> -             if (!acpi_lapic)
> +             if (!acpi_lapic) {
>                       pr_info("APIC: ACPI MADT or MP tables are not 
> detected\n");
> +                     *upmode = true;

That store and extra argument is pointless. 

> +
> +                     return APIC_VIRTUAL_WIRE_NO_CONFIG;

You added an extra return code, which you can use exactly for that purpose
at the callsite.


Aside of that, if you use int * then use numbers, if you use bool then use
true/false. But mixing that is horrible.

> +             }

Thanks,

        tglx

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