On Mon, Aug 12, 2019 at 02:15:32PM +0200, Christoph Hellwig wrote:
> On Sun, Aug 11, 2019 at 04:55:27AM -0400, Michael S. Tsirkin wrote:
> > On Sun, Aug 11, 2019 at 07:56:07AM +0200, Christoph Hellwig wrote:
> > > So we need a flag on the virtio device, exposed by the
> > > hypervisor (or hardware
On Mon, Aug 12, 2019 at 07:51:56PM +1000, David Gibson wrote:
> AFAICT we already kind of abuse this for the VIRTIO_F_IOMMU_PLATFORM,
> because to handle for cases where it *is* a device limitation, we
> assume that if the hypervisor presents VIRTIO_F_IOMMU_PLATFORM then
> the guest *must* select i
On Sat, Aug 10, 2019 at 03:07:02PM -0700, Ram Pai wrote:
> On Sat, Aug 10, 2019 at 02:57:17PM -0400, Michael S. Tsirkin wrote:
> > On Tue, Jan 29, 2019 at 03:08:12PM -0200, Thiago Jung Bauermann wrote:
> > >
> > > Hello,
> > >
> > > With Christoph's rework of the DMA API that recently landed, the
Michael S. Tsirkin writes:
> On Mon, Jul 15, 2019 at 07:03:03PM -0300, Thiago Jung Bauermann wrote:
>>
>> Michael S. Tsirkin writes:
>>
>> > On Mon, Jul 15, 2019 at 05:29:06PM -0300, Thiago Jung Bauermann wrote:
>> >>
>> >> Michael S. Tsirkin writes:
>> >>
>> >> > On Sun, Jul 14, 2019 at 02
Michael S. Tsirkin writes:
> On Mon, Jul 15, 2019 at 05:29:06PM -0300, Thiago Jung Bauermann wrote:
>>
>> Michael S. Tsirkin writes:
>>
>> > On Sun, Jul 14, 2019 at 02:51:18AM -0300, Thiago Jung Bauermann wrote:
>> >>
>> >>
>> >> Michael S. Tsirkin writes:
>> >>
>> >> > So this is what I woul
On Sun, Jul 14, 2019 at 02:51:18AM -0300, Thiago Jung Bauermann wrote:
>
>
> Michael S. Tsirkin writes:
>
> > On Thu, Jun 27, 2019 at 10:58:40PM -0300, Thiago Jung Bauermann wrote:
> >>
> >> Michael S. Tsirkin writes:
> >>
> >> > On Mon, Jun 03, 2019 at 10:13:59PM -0300, Thiago Jung Bauermann
On Wed, Mar 20, 2019 at 01:13:41PM -0300, Thiago Jung Bauermann wrote:
> >> Another way of looking at this issue which also explains our reluctance
> >> is that the only difference between a secure guest and a regular guest
> >> (at least regarding virtio) is that the former uses swiotlb while the
Hello Michael,
Sorry for the delay in responding. We had some internal discussions on
this.
Michael S. Tsirkin writes:
> On Mon, Feb 04, 2019 at 04:14:20PM -0200, Thiago Jung Bauermann wrote:
>>
>> Hello Michael,
>>
>> Michael S. Tsirkin writes:
>>
>> > On Tue, Jan 29, 2019 at 03:42:44PM -02
On Tue, Feb 05, 2019 at 08:24:07AM +0100, Christoph Hellwig wrote:
> On Mon, Feb 04, 2019 at 04:38:21PM -0500, Michael S. Tsirkin wrote:
> > It was designed to make, when set, as many guests as we can work
> > correctly, and it seems to be successful in doing exactly that.
> >
> > Unfortunately th
On Mon, Feb 04, 2019 at 04:38:21PM -0500, Michael S. Tsirkin wrote:
> It was designed to make, when set, as many guests as we can work
> correctly, and it seems to be successful in doing exactly that.
>
> Unfortunately there could be legacy guests that do work correctly but
> become slow. Whether
On Mon, Feb 04, 2019 at 04:15:41PM -0200, Thiago Jung Bauermann wrote:
>
> Christoph Hellwig writes:
>
> > On Tue, Jan 29, 2019 at 09:36:08PM -0500, Michael S. Tsirkin wrote:
> >> This has been discussed ad nauseum. virtio is all about compatibility.
> >> Losing a couple of lines of code isn't w
On Mon, Feb 04, 2019 at 04:14:20PM -0200, Thiago Jung Bauermann wrote:
>
> Hello Michael,
>
> Michael S. Tsirkin writes:
>
> > On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
> >>
> >> Fixing address of powerpc mailing list.
> >>
> >> Thiago Jung Bauermann writes:
> >>
>
Christoph Hellwig writes:
> On Tue, Jan 29, 2019 at 09:36:08PM -0500, Michael S. Tsirkin wrote:
>> This has been discussed ad nauseum. virtio is all about compatibility.
>> Losing a couple of lines of code isn't worth breaking working setups.
>> People that want "just use DMA API no tricks" now
Hello Michael,
Michael S. Tsirkin writes:
> On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
>>
>> Fixing address of powerpc mailing list.
>>
>> Thiago Jung Bauermann writes:
>>
>> > Hello,
>> >
>> > With Christoph's rework of the DMA API that recently landed, the patch
On Tue, Jan 29, 2019 at 09:36:08PM -0500, Michael S. Tsirkin wrote:
> This has been discussed ad nauseum. virtio is all about compatibility.
> Losing a couple of lines of code isn't worth breaking working setups.
> People that want "just use DMA API no tricks" now have the option.
> Setting a flag
On Wed, Jan 30, 2019 at 11:05:42AM +0800, Jason Wang wrote:
>
> On 2019/1/30 上午10:36, Michael S. Tsirkin wrote:
> > On Wed, Jan 30, 2019 at 10:24:01AM +0800, Jason Wang wrote:
> > > On 2019/1/30 上午3:02, Michael S. Tsirkin wrote:
> > > > On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauerma
On 2019/1/30 上午10:36, Michael S. Tsirkin wrote:
On Wed, Jan 30, 2019 at 10:24:01AM +0800, Jason Wang wrote:
On 2019/1/30 上午3:02, Michael S. Tsirkin wrote:
On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
Fixing address of powerpc mailing list.
Thiago Jung Bauermann wr
On Wed, Jan 30, 2019 at 10:24:01AM +0800, Jason Wang wrote:
>
> On 2019/1/30 上午3:02, Michael S. Tsirkin wrote:
> > On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
> > > Fixing address of powerpc mailing list.
> > >
> > > Thiago Jung Bauermann writes:
> > >
> > > > Hello,
On 2019/1/30 上午3:02, Michael S. Tsirkin wrote:
On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
Fixing address of powerpc mailing list.
Thiago Jung Bauermann writes:
Hello,
With Christoph's rework of the DMA API that recently landed, the patch
below is the only chang
On Tue, Jan 29, 2019 at 03:42:44PM -0200, Thiago Jung Bauermann wrote:
>
> Fixing address of powerpc mailing list.
>
> Thiago Jung Bauermann writes:
>
> > Hello,
> >
> > With Christoph's rework of the DMA API that recently landed, the patch
> > below is the only change needed in virtio to make
Fixing address of powerpc mailing list.
Thiago Jung Bauermann writes:
> Hello,
>
> With Christoph's rework of the DMA API that recently landed, the patch
> below is the only change needed in virtio to make it work in a POWER
> secure guest under the ultravisor.
>
> The other change we need (ma
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