From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH] have architectures specify the number of PIRQs a hardware domain gets Date: Fri, 5 Dec 2014 14:42:07 +0000 Message-ID: <1417790527.22808.67.camel@eu.citrix.com> References: <5481C67D020000780004D2D1@mail.emea.novell.com> <1417789634.22808.66.camel@eu.citrix.com> <5481C30B.3020901@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Xwu61-0006L0-7R for xen-devel@lists.xenproject.org; Fri, 05 Dec 2014 14:43:01 +0000 In-Reply-To: <5481C30B.3020901@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall Cc: Keir Fraser , Stefano Stabellini , Andrew Cooper , Tim Deegan , David Vrabel , Jan Beulich , xen-devel , Ian Jackson List-Id: xen-devel@lists.xenproject.org On Fri, 2014-12-05 at 14:36 +0000, Julien Grall wrote: > Hi, > > On 05/12/14 14:27, Ian Campbell wrote: > > On Fri, 2014-12-05 at 13:51 +0000, Jan Beulich wrote: > >> #define nr_static_irqs NR_IRQS > >> +#define arch_hwdom_irqs(domid) NR_IRQS > > > > FWIW gic_number_lines() is the ARM equivalent of getting the number of > > GSIs. > > > > *BUT* we don't actually use pirqs on ARM (everything goes via the > > virtualised interrupt controller). So maybe we should be setting > > nr_pirqs to 0 on ARM. I appreciate you likely want such a patch to come > > from an ARM person, so I'm fine with you making this NR_IRQS in the > > meantime. > > As we already know that PIRQ is not used on ARM, it would make sense to > use directly in this patch 0. Are you offering to give a tested-by if Jan posts such a patch? Ian.