From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pierre Morel Subject: Re: [PATCH] vfio/iommu_type1: report the IOMMU aperture info Date: Fri, 1 Dec 2017 09:50:11 +0100 Message-ID: <3764d829-2e88-d100-191e-98bf8dac3bfc@linux.vnet.ibm.com> References: <1512041678-4563-1-git-send-email-pmorel@linux.vnet.ibm.com> <1ad1aff9-1651-d1a9-cd1b-07bfd7dd0817@arm.com> <7cf3e03e-e9b4-0e27-098b-3bc391abcf96@linux.vnet.ibm.com> <76879d8a-3c5f-2fb0-c8f9-100368eafa6e@linux.vnet.ibm.com> <358f3253-6113-2d19-def7-d5d71dc78aaa@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Cc: "cohuck@redhat.com" , "borntraeger@de.ibm.com" , "zyimin@linux.vnet.ibm.com" , "pasic@linux.vnet.ibm.com" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" To: Jean-Philippe Brucker , "alex.williamson@redhat.com" Return-path: In-Reply-To: <358f3253-6113-2d19-def7-d5d71dc78aaa@arm.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 30/11/2017 16:23, Jean-Philippe Brucker wrote: > On 30/11/17 14:49, Pierre Morel wrote: > [...] >> Shouldn't the 52bit problem be reported by the iommu geometry? > > Yes, and most IOMMUs seem to set force_aperture. My comment was only about > default values to adopt in case a new IOMMU driver doesn't set > force_aperture to true. > > Thanks, > Jean > Yes, clear, thanks. Pierre -- Pierre Morel Linux/KVM/QEMU in Böblingen - Germany