On Thu, 19 Mar 2020, Jan Beulich wrote:
> 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.
I sticked to what x86 has for secondary_startup_64. I can make it
void asm_cpu_bringup_and_idle(void);
Miroslav
