From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yosuke Iwamatsu Subject: Re: IOMMU: improve the FLR logic and move it fromhypervisor to Control Panel? Date: Fri, 20 Jun 2008 14:45:08 +0900 Message-ID: <485B43E4.306@ab.jp.nec.com> References: <485B2F6B.7030403@ab.jp.nec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 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: "Cui, Dexuan" Cc: xen-devel@lists.xensource.com, Keir Fraser List-Id: xen-devel@lists.xenproject.org Cui, Dexuan wrote: > Thanks for the comments. > qemu-dm is Device Model. I think Control Panel means Xend/libxc (and other necessary scripts). > I think pciback of Dom0 may be not the best place. Beside the drawback you mentioned, for the "Secondary Bus Reset", pciback doesn't own the bridge. > In Control Panel, Python script can access PCI config space easily via the sys filesystem. I vaguely feel uneasy about allowing python scripts to write in PCI config space directly. Is it a common way? -- Yosuke