From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [RFC/RFT PATCH v2 0/4] KVM: x86: full virtualization of guest MTRR Date: Tue, 7 Jul 2015 16:09:07 +0200 Message-ID: <559BDD83.5060008@redhat.com> References: <1436276739-50326-1-git-send-email-pbonzini@redhat.com> <20150707140603.GK16233@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, guangrong.xiao@linux.intel.com, alex.williamson@redhat.com, ogerlitz@mellanox.com, amirv@mellanox.com To: Joerg Roedel Return-path: In-Reply-To: <20150707140603.GK16233@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 07/07/2015 16:06, Joerg Roedel wrote: > > I do not have any AMD machines that support an IOMMU, so I would like > > some help testing these patches. Thanks, > > What kind of testing do you want? Booting a guest with a device attached > is probably not sufficient, right? The guest should not take ages to boot, which is typical of messed-up MTRR/PAT. And if you add some actual usage of the attached device, it actually is sufficient. Even a simple ping test, or typing through a USB keyboard on a passed-through controller, is enough. Paolo