search for: deliberatey

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...