Re: [Xen-devel] [PATCH v2 2/2] x86/xen: Make the secondary CPU idle tasks reliable

[Jan Beulich <jbeulich@xxxxxxxx>]

On 19.03.2020 10:56, Miroslav Benes wrote:
> --- a/arch/x86/xen/smp_pv.c
> +++ b/arch/x86/xen/smp_pv.c
> @@ -53,6 +53,7 @@ static DEFINE_PER_CPU(struct xen_common_irq, xen_irq_work) 
> = { .irq = -1 };
>  static DEFINE_PER_CPU(struct xen_common_irq, xen_pmu_irq) = { .irq = -1 };
>  
>  static irqreturn_t xen_irq_work_interrupt(int irq, void *dev_id);
> +extern unsigned char asm_cpu_bringup_and_idle[];

Imo this would better reflect the actual type, i.e. be a function
decl. If left as an array one, I guess you may want to add const.

Jan

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