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

From: Thomas Gleixner
Date: Sun Jul 02 2017 - 14:08:19 EST


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