Re: [PATCH v2 3/8] xen/events: avoid handling the same event on two cpus at the same time

[Boris Ostrovsky]

On 2/11/21 5:16 AM, Juergen Gross wrote:

> @@ -622,6 +623,7 @@ static void xen_irq_lateeoi_locked(struct irq_info *info, bool spurious)
>  	}
>  
>  	info->eoi_time = 0;
> +	smp_store_release(&info->is_active, 0);


Can this be done in lateeoi_ack_dynirq()/lateeoi_mask_ack_dynirq(), after we've masked the channel? Then it will be consistent with how how other chips do it, especially with the new helper.


-boris


>  	do_unmask(info, EVT_MASK_REASON_EOI_PENDING);
>  }
>