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Re: [PATCH 1/2] arch/irq: Make irq_ack_none() mandatory
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 31 May 2024 08:42:50 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Shawn Anastasio <sanastasio@xxxxxxxxxxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Fri, 31 May 2024 06:43:01 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 30.05.2024 20:40, Andrew Cooper wrote:
> Any non-stub implementation of these is going to have to do something here.
For whatever definition of "something", seeing ...
> --- a/xen/arch/arm/irq.c
> +++ b/xen/arch/arm/irq.c
> @@ -31,12 +31,12 @@ struct irq_guest
> unsigned int virq;
> };
>
> -static void ack_none(struct irq_desc *irq)
> +void irq_ack_none(struct irq_desc *irq)
> {
> printk("unexpected IRQ trap at irq %02x\n", irq->irq);
> }
... this, which - perhaps apart from the word "trap" - is entirely Arm-
independent, and could hence quite well live in a common code fallback
implementation. Nevertheless with patch 2 clearly being an improvement,
both patches:
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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