From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 890531A06C5 for ; Fri, 30 May 2014 13:49:34 +1000 (EST) Message-ID: <1401421763.14938.23.camel@pasglop> Subject: Re: [PATCH v7 3/3] drivers/vfio: EEH support for VFIO PCI device From: Benjamin Herrenschmidt To: Alexey Kardashevskiy Date: Fri, 30 May 2014 13:49:23 +1000 In-Reply-To: <5387FE84.5060502@ozlabs.ru> 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> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: Gavin Shan , kvm-ppc@vger.kernel.org, Alexander Graf , Alex Williamson , qiudayu@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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.