From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 8219C268 for ; Mon, 26 Oct 2015 05:20:31 +0000 (UTC) Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 0A206A1 for ; Mon, 26 Oct 2015 05:20:30 +0000 (UTC) Date: Mon, 26 Oct 2015 06:20:29 +0100 From: Joerg Roedel To: David Woodhouse Message-ID: <20151026052028.GG27420@8bytes.org> References: <1445833878.3405.24.camel@infradead.org> <20151026044350.GE27420@8bytes.org> <1445834882.3405.30.camel@infradead.org> <20151026050450.GF27420@8bytes.org> <1445836422.3405.43.camel@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1445836422.3405.43.camel@infradead.org> Cc: Paolo Bonzini , m.smarduch@samsung.com, "ksummit-discuss@lists.linuxfoundation.org" Subject: Re: [Ksummit-discuss] Short topic: virtio vs IOMMU List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, Oct 26, 2015 at 02:13:42PM +0900, David Woodhouse wrote: > Oh, wow. I didn't realise we already had an IOMMU implemented in Qemu. > > At first glance it looks like it doesn't support assigned devices... > has anyone looked at doing so? Not sure, maybe Paolo knows. When it is implemented in qemu too using vfio, we should get the reduced pinning for free. Joerg