linux-kernel - Re: [RFC 12/17] irq: bypass: Extend skeleton for ARM forwarding control

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Date:	Fri, 3 Jul 2015 08:52:10 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	"Wu, Feng" <feng.wu@...el.com>, Eric Auger <eric.auger@...aro.org>,
	"eric.auger@...com" <eric.auger@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"kvmarm@...ts.cs.columbia.edu" <kvmarm@...ts.cs.columbia.edu>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"christoffer.dall@...aro.org" <christoffer.dall@...aro.org>,
	"marc.zyngier@....com" <marc.zyngier@....com>,
	"alex.williamson@...hat.com" <alex.williamson@...hat.com>,
	"avi.kivity@...il.com" <avi.kivity@...il.com>,
	"mtosatti@...hat.com" <mtosatti@...hat.com>,
	"joro@...tes.org" <joro@...tes.org>,
	"b.reynal@...tualopensystems.com" <b.reynal@...tualopensystems.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"patches@...aro.org" <patches@...aro.org>
Subject: Re: [RFC 12/17] irq: bypass: Extend skeleton for ARM forwarding
 control



On 03/07/2015 04:43, Wu, Feng wrote:
> 
> struct irq_bypass_consumer {
>        struct list_head node;
>        void *token;
> +      unsigned irq;	/*got from producer when registered*/
>        void (*add_producer)(struct irq_bypass_producer *,
>                             struct irq_bypass_consumer *);
>        void (*del_producer)(struct irq_bypass_producer *,
>                             struct irq_bypass_consumer *);
> +      void (*update)(struct irq_bypass_consumer *);
> };
> 
> 'update' is used to update the IRTE, while irq is initialized when
> registered, which is used to find the right IRTE.

Feel free to add "update" in your PI patches.  I am not sure if "irq"
belongs here or in the containing struct.  You can play with both and
submit the version that looks better to you.

Paolo
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