From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Date: Fri, 30 May 2014 03:49:23 +0000 Subject: Re: [PATCH v7 3/3] drivers/vfio: EEH support for VFIO PCI device Message-Id: <1401421763.14938.23.camel@pasglop> List-Id: References: <1401180052-6060-1-git-send-email-gwshan@linux.vnet.ibm.com> <1401180052-6060-4-git-send-email-gwshan@linux.vnet.ibm.com> <1401214527.3289.611.camel@ul30vt.home> <20140528005532.GA5528@shangw> <5385CB6F.50300@suse.de> <20140528124947.GA19346@shangw> <1401314311.8262.26.camel@pasglop> <5387FE84.5060502@ozlabs.ru> In-Reply-To: <5387FE84.5060502@ozlabs.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Alexey Kardashevskiy Cc: Gavin Shan , kvm-ppc@vger.kernel.org, Alexander Graf , Alex Williamson , qiudayu@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org On Fri, 2014-05-30 at 13:44 +1000, Alexey Kardashevskiy wrote: > > It is pseries, not real HW. Does phyp allow multiple real host PEs on > the same virtual PHB? I don't know how recent pHyp versions do it. I think they pretty much have a PE = 1 virtual PHB so you might be right there. On older HW they definitely used P2P bridges as PEs. Cheers, Ben.