From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
Andy Lutomirski <luto@amacapital.net>
Cc: "linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Linux Virtualization <virtualization@lists.linux-foundation.org>,
Christian Borntraeger <borntraeger@de.ibm.com>,
"linux390@de.ibm.com" <linux390@de.ibm.com>
Subject: Re: [PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible
Date: Tue, 30 Sep 2014 17:53:37 +0200 [thread overview]
Message-ID: <542AD201.7080808@redhat.com> (raw)
In-Reply-To: <20140930153821.GA4456@redhat.com>
Il 30/09/2014 17:38, Michael S. Tsirkin ha scritto:
> I think that is true but it seems that this will be true for x86 for
> QEMU 2.2 unless we make some changes there.
> Which we might not have the time for since 2.2 is feature frozen
> from tomorrow.
> Maybe we should disable the IOMMU in 2.2, this is worth considering.
It is disabled by default, no? And only supported by Q35 which does not
yet have migration compatibility (though we are versioning it, not sure
why that is the case).
Paolo
next prev parent reply other threads:[~2014-09-30 15:53 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-17 5:22 [PATCH v5 0/3] virtio: Use the DMA API when appropriate Andy Lutomirski
2014-09-17 5:22 ` [PATCH v5 1/3] virtio_ring: Support DMA APIs if requested Andy Lutomirski
2014-09-17 5:22 ` [PATCH v5 2/3] virtio_pci: Use the DMA API for virtqueues when possible Andy Lutomirski
2014-09-17 12:02 ` Benjamin Herrenschmidt
2014-09-17 14:16 ` Michael S. Tsirkin
2014-09-17 16:07 ` Andy Lutomirski
2014-09-17 16:49 ` David Woodhouse
2014-09-19 21:28 ` Benjamin Herrenschmidt
2014-09-19 21:33 ` Benjamin Herrenschmidt
2014-09-20 5:59 ` Andy Lutomirski
2014-09-21 5:03 ` Benjamin Herrenschmidt
2014-09-21 5:05 ` Benjamin Herrenschmidt
2014-09-21 5:48 ` Andy Lutomirski
2014-09-21 6:01 ` David Woodhouse
2014-09-24 21:41 ` Andy Lutomirski
2014-09-24 21:50 ` Benjamin Herrenschmidt
2014-09-24 21:59 ` Andy Lutomirski
2014-09-24 22:04 ` Benjamin Herrenschmidt
2014-09-24 22:15 ` Andy Lutomirski
2014-09-24 22:38 ` Benjamin Herrenschmidt
2014-09-24 22:49 ` Andy Lutomirski
2014-09-19 21:31 ` Benjamin Herrenschmidt
2014-09-29 18:55 ` Andy Lutomirski
2014-09-29 20:49 ` Benjamin Herrenschmidt
2014-09-29 20:55 ` Andy Lutomirski
2014-09-29 21:06 ` Benjamin Herrenschmidt
2014-09-30 15:38 ` Michael S. Tsirkin
2014-09-30 15:48 ` Andy Lutomirski
2014-09-30 16:19 ` Andy Lutomirski
2014-09-30 17:53 ` Konrad Rzeszutek Wilk
2014-09-30 18:01 ` Andy Lutomirski
2014-10-02 16:36 ` Konrad Rzeszutek Wilk
2014-10-01 6:42 ` Michael S. Tsirkin
2014-09-30 15:53 ` Paolo Bonzini [this message]
2014-10-01 7:36 ` Michael S. Tsirkin
2014-09-30 20:05 ` Andy Lutomirski
2014-10-06 9:59 ` Christian Borntraeger
2014-10-06 10:48 ` Benjamin Herrenschmidt
2014-09-17 16:09 ` Ira W. Snyder
2014-09-17 16:15 ` Andy Lutomirski
2014-09-17 5:22 ` [PATCH v5 3/3] virtio_net: Stop doing DMA from the stack Andy Lutomirski
2014-09-19 18:25 ` [PATCH v5 0/3] virtio: Use the DMA API when appropriate Konrad Rzeszutek Wilk
2014-09-19 18:25 ` Konrad Rzeszutek Wilk
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