From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: NR_PIRQS vs. NR_IRQS Date: Fri, 14 Nov 2008 11:27:10 -0800 Message-ID: <491DD10E.6060007@goop.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Keir Fraser wrote: > Is fixing this actually any harder than just bumping NR_IRQS/NR_PIRQS in Xen > and NR_PIRQS in Linux? Have IRQS and VECTORS got somehow accidentally tied > together in Xen? > The pvops dom0 kernel allocates all irqs dynamically without having reserved ranges for particular classes of irq, so I think it all comes down to whether Xen can handle it. J