From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH 3/3] s390/dma: Allow per device dma ops
Date: Mon, 2 Nov 2015 16:21:18 +0100
Message-ID: <20151102152118.GE2876@suse.de>
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To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: linux-s390 <linux-s390@vger.kernel.org>, KVM <kvm@vger.kernel.org>, Michael Tsirkin <mst@redhat.com>, benh@kernel.crashing.org, Sebastian Ott <sebott@linux.vnet.ibm.com>, virtualization@lists.linux-foundation.org, Martin Schwidefsky <schwidefsky@de.ibm.com>, Andy Lutomirski <luto@kernel.org>, Paolo Bonzini <pbonzini@redhat.com>, dwmw2@infradead.org, Christoph Hellwig <hch@lst.de>
List-Id: virtualization@lists.linuxfoundation.org

On Fri, Oct 30, 2015 at 02:20:37PM +0100, Christian Borntraeger wrote:
> As virtio-ccw now has dma ops, we can no longer default to the PCI ones.
> Make use of dev_archdata to keep the dma_ops per device. The pci devices
> now use that to override the default, and the default is changed to use
> the noop ops for everything that is not PCI. To compile without PCI
> support we also have to enable the DMA api with virtio.
> 
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
>  arch/s390/Kconfig                   | 3 ++-
>  arch/s390/include/asm/device.h      | 6 +++++-
>  arch/s390/include/asm/dma-mapping.h | 6 ++++--
>  arch/s390/pci/pci.c                 | 1 +
>  arch/s390/pci/pci_dma.c             | 4 ++--
>  5 files changed, 14 insertions(+), 6 deletions(-)

Reviewed-by: Joerg Roedel <jroedel@suse.de>