Re: [PATCH v1 11/14] xen/riscv: add external interrupt handling for hypervisor mode

[Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>]

On 4/17/25 10:44 AM, Oleksii Kurochko wrote:

>       
> > > +    action = ""
> > > +
> > > +    spin_unlock_irq(&desc->lock);
> > > +
> > > +#ifndef CONFIG_IRQ_HAS_MULTIPLE_ACTION
> > >         
> > Stolen from Arm? What's this about?
> >       
> Yes, it is stolen from Arm. I thought that it is a generic one, but the config is defined
> inside Arm's config.h.
> Then it could be dropped now as I don't know, at the moment, the cases when it is neeeded
> to exectute several handler for an irq for RISC-V.
>     
Probably, IOMMU may setup multiple handler for the same interrupt. I'll double check that.

~ Oleksii