Displaying 6 results from an estimated 6 matches for "mupltiple".
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2018 Jul 30
2
[RFC 0/4] Virtio uses DMA API for all devices
On Fri, Jul 27, 2018 at 10:58:05AM +0100, Will Deacon wrote:
>
> I just wanted to say that this patch series provides a means for us to
> force the coherent DMA ops for legacy virtio devices on arm64, which in turn
> means that we can enable the SMMU with legacy devices in our fastmodel
> emulation platform (which is slowly being upgraded to virtio 1.0) without
> hanging during
2018 Jul 30
2
[RFC 0/4] Virtio uses DMA API for all devices
On Fri, Jul 27, 2018 at 10:58:05AM +0100, Will Deacon wrote:
>
> I just wanted to say that this patch series provides a means for us to
> force the coherent DMA ops for legacy virtio devices on arm64, which in turn
> means that we can enable the SMMU with legacy devices in our fastmodel
> emulation platform (which is slowly being upgraded to virtio 1.0) without
> hanging during
2018 Jul 30
2
[RFC 0/4] Virtio uses DMA API for all devices
On Mon, Jul 30, 2018 at 01:28:03PM +0300, Michael S. Tsirkin wrote:
> Let me reply to the "crappy" part first:
> So virtio devices can run on another CPU or on a PCI bus. Configuration
> can happen over mupltiple transports. There is a discovery protocol to
> figure out where it is. It has some warts but any real system has warts.
>
> So IMHO virtio running on another CPU isn't "legacy virtual crappy
> virtio". virtio devices that actually sit on a PCI bus aren't "sane&q...
2018 Jul 30
2
[RFC 0/4] Virtio uses DMA API for all devices
On Mon, Jul 30, 2018 at 01:28:03PM +0300, Michael S. Tsirkin wrote:
> Let me reply to the "crappy" part first:
> So virtio devices can run on another CPU or on a PCI bus. Configuration
> can happen over mupltiple transports. There is a discovery protocol to
> figure out where it is. It has some warts but any real system has warts.
>
> So IMHO virtio running on another CPU isn't "legacy virtual crappy
> virtio". virtio devices that actually sit on a PCI bus aren't "sane&q...
2018 Jul 30
0
[RFC 0/4] Virtio uses DMA API for all devices
...bus it pretends
> to be on, and sane virtio (to be defined) that sit on a real (or
> properly emulated including iommu and details for dma mapping) bus.
Let me reply to the "crappy" part first:
So virtio devices can run on another CPU or on a PCI bus. Configuration
can happen over mupltiple transports. There is a discovery protocol to
figure out where it is. It has some warts but any real system has warts.
So IMHO virtio running on another CPU isn't "legacy virtual crappy
virtio". virtio devices that actually sit on a PCI bus aren't "sane"
simply because...
2018 Jul 30
0
[RFC 0/4] Virtio uses DMA API for all devices
...ul 30, 2018 at 04:18:02AM -0700, Christoph Hellwig wrote:
> On Mon, Jul 30, 2018 at 01:28:03PM +0300, Michael S. Tsirkin wrote:
> > Let me reply to the "crappy" part first:
> > So virtio devices can run on another CPU or on a PCI bus. Configuration
> > can happen over mupltiple transports. There is a discovery protocol to
> > figure out where it is. It has some warts but any real system has warts.
> >
> > So IMHO virtio running on another CPU isn't "legacy virtual crappy
> > virtio". virtio devices that actually sit on a PCI bus are...