Displaying 5 results from an estimated 5 matches for "deliberatey".
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2018 Jun 11
1
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Mon, 2018-06-11 at 06:28 +0300, Michael S. Tsirkin wrote:
>
> > However if the administrator
> > ignores/forgets/deliberatey-decides/is-constrained to NOT enable the
> > flag, virtio will not be able to pass control to the DMA ops associated
> > with the virtio devices. Which means, we have no opportunity to share
> > the I/O buffers with the hypervisor/qemu.
> >
> > How do you suggest, we...
2018 May 31
7
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Thu, May 31, 2018 at 09:09:24AM +0530, Anshuman Khandual wrote:
> On 05/24/2018 12:51 PM, Ram Pai wrote:
> > On Wed, May 23, 2018 at 09:50:02PM +0300, Michael S. Tsirkin wrote:
> >> subj: s/virito/virtio/
> >>
> > ..snip..
> >>> machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init);
> >>> +
> >>> +bool
2018 May 31
7
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Thu, May 31, 2018 at 09:09:24AM +0530, Anshuman Khandual wrote:
> On 05/24/2018 12:51 PM, Ram Pai wrote:
> > On Wed, May 23, 2018 at 09:50:02PM +0300, Michael S. Tsirkin wrote:
> >> subj: s/virito/virtio/
> >>
> > ..snip..
> >>> machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init);
> >>> +
> >>> +bool
2018 Jun 11
0
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
On Sun, 2018-06-10 at 19:39 -0700, Ram Pai wrote:
>
> However if the administrator
> ignores/forgets/deliberatey-decides/is-constrained to NOT enable the
> flag, virtio will not be able to pass control to the DMA ops associated
> with the virtio devices. Which means, we have no opportunity to share
> the I/O buffers with the hypervisor/qemu.
>
> How do you suggest, we handle this case?
At the...
2018 Jun 11
0
[RFC V2] virtio: Add platform specific DMA API translation for virito devices
...h the virito devices will be called, and hence will be
> able to do the right things. Yes we might incur performance hit due to
> the IOMMU translations, but lets ignore that for now; the functionality
> will work. Good till now.
>
> However if the administrator
> ignores/forgets/deliberatey-decides/is-constrained to NOT enable the
> flag, virtio will not be able to pass control to the DMA ops associated
> with the virtio devices. Which means, we have no opportunity to share
> the I/O buffers with the hypervisor/qemu.
>
> How do you suggest, we handle this case?
As ste...