On Mon, Jun 11, 2018 at 01:29:18PM +1000, Benjamin Herrenschmidt wrote:
> At the risk of repeating myself, let's just do the first pass which is
> to switch virtio over to always using the DMA API in the actual data
> flow code, with a hook at initialization time that replaces the DMA ops
> with so
On Wed, 2018-06-13 at 00:41 -0700, Christoph Hellwig wrote:
> On Mon, Jun 11, 2018 at 01:29:18PM +1000, Benjamin Herrenschmidt wrote:
> > At the risk of repeating myself, let's just do the first pass which is
> > to switch virtio over to always using the DMA API in the actual data
> > flow code, wi
On Wed, 2018-06-13 at 22:25 +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2018-06-13 at 00:41 -0700, Christoph Hellwig wrote:
> > On Mon, Jun 11, 2018 at 01:29:18PM +1000, Benjamin Herrenschmidt wrote:
> > > At the risk of repeating myself, let's just do the first pass which is
> > > to switch vir
On Thu, Jun 07, 2018 at 11:36:55PM -0700, Christoph Hellwig wrote:
> > This seems to be what was being asked for in this thread,
> > with comments claiming IOMMU flag adds too much overhead.
>
> Right now it means implementing a virtual iommu, which I agree is
> way too much overhead.
Well not re
On Wed, Jun 13, 2018 at 12:41:41AM -0700, Christoph Hellwig wrote:
> On Mon, Jun 11, 2018 at 01:29:18PM +1000, Benjamin Herrenschmidt wrote:
> > At the risk of repeating myself, let's just do the first pass which is
> > to switch virtio over to always using the DMA API in the actual data
> > flow c
On Mon, Jun 11, 2018 at 01:29:18PM +1000, Benjamin Herrenschmidt wrote:
> 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
On Mon, Jun 11, 2018 at 01:34:50PM +1000, Benjamin Herrenschmidt wrote:
> 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 contr
This is version 0.7 of the virtio-iommu specification. The diff from 0.6,
included below, is fairly small and consists of the following changes:
* Address comments from 0.6, rework bits of the implementation notes.
* Change resv_mem parameters to be consistent with the rest of the
spec.
* Add
Page hints are reworked - I dropped them for now.
The following changes since commit 29dcea88779c856c7dc92040a0c01233263101d4:
Linux 4.17 (2018-06-03 14:15:21 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus
for you t
On Tue, Jun 12, 2018 at 4:47 AM, Michael S. Tsirkin wrote:
> On Tue, Jun 05, 2018 at 03:09:26PM -0700, Siwei Liu wrote:
>> The thing is cloud service provider might prefer sticking to the same
>> level of service agreement (SLA) of keeping VF over migration,
>
> That requirement is trivially satis
On Tue, Jun 12, 2018 at 5:08 PM, Samudrala, Sridhar
wrote:
> On 6/12/2018 4:34 AM, Michael S. Tsirkin wrote:
>>
>> On Mon, Jun 11, 2018 at 10:02:45PM -0700, Samudrala, Sridhar wrote:
>>>
>>> On 6/11/2018 7:17 PM, Michael S. Tsirkin wrote:
On Tue, Jun 12, 2018 at 09:54:44AM +0800, Jason W
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