Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932480Ab3FQIhc (ORCPT ); Mon, 17 Jun 2013 04:37:32 -0400 Received: from gate.crashing.org ([63.228.1.57]:36058 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756164Ab3FQIhb (ORCPT ); Mon, 17 Jun 2013 04:37:31 -0400 Message-ID: <1371458225.21896.153.camel@pasglop> Subject: Re: [PATCH 1/4] KVM: PPC: Add support for multiple-TCE hcalls From: Benjamin Herrenschmidt To: Alexey Kardashevskiy Cc: Alexander Graf , linuxppc-dev@lists.ozlabs.org, David Gibson , Paul Mackerras , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org Date: Mon, 17 Jun 2013 18:37:05 +1000 In-Reply-To: <51BEC0FE.4020805@ozlabs.ru> References: <1370412673-1345-1-git-send-email-aik@ozlabs.ru> <1370412673-1345-2-git-send-email-aik@ozlabs.ru> <0A6C24DE-1422-4ABA-A516-2B864F4714F8@suse.de> <51BEC0FE.4020805@ozlabs.ru> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 830 Lines: 24 On Mon, 2013-06-17 at 17:55 +1000, Alexey Kardashevskiy wrote: > David: > === > So, in the case of MULTITCE, that's not quite right. PR KVM can > emulate a PAPR system on a BookE machine, and there's no reason not to > allow TCE acceleration as well. We can't make it dependent on PAPR > mode being selected, because that's enabled per-vcpu, whereas these > capabilities are queried on the VM before the vcpus are created. > === > > Wrong? The capability just tells qemu the kernel supports it, it doesn't have to depend on PAPR mode, qemu can sort things out no ? Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/