From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965295AbbJ1IiG (ORCPT ); Wed, 28 Oct 2015 04:38:06 -0400 Received: from gate.crashing.org ([63.228.1.57]:44743 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965025AbbJ1IiE (ORCPT ); Wed, 28 Oct 2015 04:38:04 -0400 Message-ID: <1446021413.1856.28.camel@kernel.crashing.org> Subject: Re: [PATCH v3 0/3] virtio DMA API core stuff From: Benjamin Herrenschmidt To: Christian Borntraeger , "Michael S. Tsirkin" , Andy Lutomirski Cc: linux-kernel@vger.kernel.org, Joerg Roedel , Cornelia Huck , Sebastian Ott , Paolo Bonzini , Christoph Hellwig , KVM , dwmw2@infradead.org, Martin Schwidefsky , linux-s390 , virtualization@lists.linux-foundation.org Date: Wed, 28 Oct 2015 17:36:53 +0900 In-Reply-To: <56307BD1.6010806@de.ibm.com> References: <20151028091208-mutt-send-email-mst@redhat.com> <56307BD1.6010806@de.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 (3.16.5-3.fc22) 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 On Wed, 2015-10-28 at 16:40 +0900, Christian Borntraeger wrote: > We have discussed that at kernel summit. I will try to implement a dummy dma_ops for > s390 that does 1:1 mapping and Ben will look into doing some quirk to handle "old" > code in addition to also make it possible to mark devices as iommu bypass (IIRC, > via device tree, Ben?) Something like that yes. I'll look into it when I'm back home. Cheers, Ben. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [PATCH v3 0/3] virtio DMA API core stuff Date: Wed, 28 Oct 2015 17:36:53 +0900 Message-ID: <1446021413.1856.28.camel@kernel.crashing.org> References: <20151028091208-mutt-send-email-mst@redhat.com> <56307BD1.6010806@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <56307BD1.6010806@de.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Archive: List-Post: To: Christian Borntraeger , "Michael S. Tsirkin" , Andy Lutomirski Cc: linux-s390 , Joerg Roedel , KVM , Sebastian Ott , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Martin Schwidefsky , Paolo Bonzini , dwmw2@infradead.org, Christoph Hellwig List-ID: On Wed, 2015-10-28 at 16:40 +0900, Christian Borntraeger wrote: > We have discussed that at kernel summit. I will try to implement a dummy dma_ops for > s390 that does 1:1 mapping and Ben will look into doing some quirk to handle "old" > code in addition to also make it possible to mark devices as iommu bypass (IIRC, > via device tree, Ben?) Something like that yes. I'll look into it when I'm back home. Cheers, Ben.