From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH v7] kvm: Use a bitmap for tracking used GSIs Date: Wed, 20 May 2009 14:55:26 +0300 Message-ID: <4A13EFAE.4090009@redhat.com> References: <20090513172350.8722.70990.stgit@dl380g6-3.ned.telco.ned.telco> <20090519204753.8727.19196.stgit@dl380g6-3.ned.telco.ned.telco> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, sheng.yang@intel.com, mst@redhat.com To: Alex Williamson Return-path: Received: from mx2.redhat.com ([66.187.237.31]:49784 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753408AbZETLz3 (ORCPT ); Wed, 20 May 2009 07:55:29 -0400 In-Reply-To: <20090519204753.8727.19196.stgit@dl380g6-3.ned.telco.ned.telco> Sender: kvm-owner@vger.kernel.org List-ID: Alex Williamson wrote: > We're currently using a counter to track the most recent GSI we've > handed out. This quickly hits KVM_MAX_IRQ_ROUTES when using device > assignment with a driver that regularly toggles the MSI enable bit > (such as Linux kernels 2.6.21-26). This can mean only a few minutes > of usable run time. Instead, track used GSIs in a bitmap. > > Applied, thanks. -- error compiling committee.c: too many arguments to function