On 09/01/20 16:40, Vitaly Kuznetsov wrote:
> Do we want a new memory_region_init for that or just to be able to add
> a flag?
>
I think a flag API is preferable since this can apply to any kind of
region. But can go either way, Paolo's the maintainer there.
>>> (Copying Paolo
On Thu, Jan 09, 2020 at 04:27:45PM +, Dr. David Alan Gilbert wrote:
> * Roman Kagan (rka...@virtuozzo.com) wrote:
> > On Thu, Jan 09, 2020 at 01:28:21PM +, Dr. David Alan Gilbert wrote:
> > > * Roman Kagan (rka...@virtuozzo.com) wrote:
> > > > On Thu, Jan 09, 2020 at 02:00:00PM +0100, Vital
* Roman Kagan (rka...@virtuozzo.com) wrote:
> On Thu, Jan 09, 2020 at 01:28:21PM +, Dr. David Alan Gilbert wrote:
> > * Roman Kagan (rka...@virtuozzo.com) wrote:
> > > On Thu, Jan 09, 2020 at 02:00:00PM +0100, Vitaly Kuznetsov wrote:
> > > > "Dr. David Alan Gilbert" writes:
> > > >
> > > > >
On Thu, Jan 09, 2020 at 01:28:21PM +, Dr. David Alan Gilbert wrote:
> * Roman Kagan (rka...@virtuozzo.com) wrote:
> > On Thu, Jan 09, 2020 at 02:00:00PM +0100, Vitaly Kuznetsov wrote:
> > > "Dr. David Alan Gilbert" writes:
> > >
> > > > And I think vhost-user will fail if you have too many se
Paolo Bonzini writes:
> On 09/01/20 14:22, Dr. David Alan Gilbert wrote:
>> * Michael S. Tsirkin (m...@redhat.com) wrote:
>>> On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
Do we want a new memory_region_init for that or just to be able to add
a flag?
>>> I
* Paolo Bonzini (pbonz...@redhat.com) wrote:
> On 09/01/20 14:22, Dr. David Alan Gilbert wrote:
> > * Michael S. Tsirkin (m...@redhat.com) wrote:
> >> On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
> >>> Do we want a new memory_region_init for that or just to be able to add
On 09/01/20 14:22, Dr. David Alan Gilbert wrote:
> * Michael S. Tsirkin (m...@redhat.com) wrote:
>> On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
>>> Do we want a new memory_region_init for that or just to be able to add
>>> a flag?
>>>
>> I think a flag API is preferable
* Michael S. Tsirkin (m...@redhat.com) wrote:
> On Thu, Jan 09, 2020 at 08:28:00AM -0500, Michael S. Tsirkin wrote:
> > On Thu, Jan 09, 2020 at 01:22:42PM +, Dr. David Alan Gilbert wrote:
> > > * Michael S. Tsirkin (m...@redhat.com) wrote:
> > > > On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. D
On Thu, Jan 09, 2020 at 08:28:00AM -0500, Michael S. Tsirkin wrote:
> On Thu, Jan 09, 2020 at 01:22:42PM +, Dr. David Alan Gilbert wrote:
> > * Michael S. Tsirkin (m...@redhat.com) wrote:
> > > On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
> > > > * Michael S. Tsirkin
* Roman Kagan (rka...@virtuozzo.com) wrote:
> On Thu, Jan 09, 2020 at 02:00:00PM +0100, Vitaly Kuznetsov wrote:
> > "Dr. David Alan Gilbert" writes:
> >
> > > And I think vhost-user will fail if you have too many sections - and
> > > the 16 sections from synic I think will blow the slots availabl
On Thu, Jan 09, 2020 at 01:22:42PM +, Dr. David Alan Gilbert wrote:
> * Michael S. Tsirkin (m...@redhat.com) wrote:
> > On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
> > > * Michael S. Tsirkin (m...@redhat.com) wrote:
> > > > On Thu, Jan 09, 2020 at 12:08:20PM +, D
On Thu, Jan 09, 2020 at 02:00:00PM +0100, Vitaly Kuznetsov wrote:
> "Dr. David Alan Gilbert" writes:
>
> > And I think vhost-user will fail if you have too many sections - and
> > the 16 sections from synic I think will blow the slots available.
> >
>
> SynIC is percpu, it will allocate two 4k p
* Michael S. Tsirkin (m...@redhat.com) wrote:
> On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
> > * Michael S. Tsirkin (m...@redhat.com) wrote:
> > > On Thu, Jan 09, 2020 at 12:08:20PM +, Dr. David Alan Gilbert wrote:
> > > > * Michael S. Tsirkin (m...@redhat.com) wrot
* Roman Kagan (rka...@virtuozzo.com) wrote:
> On Wed, Jan 08, 2020 at 01:53:53PM +, Dr. David Alan Gilbert (git) wrote:
> > Mark the synic pages as ram_device so that they won't be visible
> > to vhost.
>
> Unless I'm misreading the code this also makes them invisible to
> migration.
>
> I ne
On Wed, Jan 08, 2020 at 01:53:53PM +, Dr. David Alan Gilbert (git) wrote:
> Mark the synic pages as ram_device so that they won't be visible
> to vhost.
Unless I'm misreading the code this also makes them invisible to
migration.
I need some more reading on the ram_device region behavior to be
On Thu, Jan 09, 2020 at 12:22:37PM +, Dr. David Alan Gilbert wrote:
> * Michael S. Tsirkin (m...@redhat.com) wrote:
> > On Thu, Jan 09, 2020 at 12:08:20PM +, Dr. David Alan Gilbert wrote:
> > > * Michael S. Tsirkin (m...@redhat.com) wrote:
> > > > On Wed, Jan 08, 2020 at 01:53:53PM +, D
"Dr. David Alan Gilbert" writes:
> And I think vhost-user will fail if you have too many sections - and
> the 16 sections from synic I think will blow the slots available.
>
SynIC is percpu, it will allocate two 4k pages for every vCPU the guest
has so we're potentially looking at hundreds of su
* Michael S. Tsirkin (m...@redhat.com) wrote:
> On Thu, Jan 09, 2020 at 12:08:20PM +, Dr. David Alan Gilbert wrote:
> > * Michael S. Tsirkin (m...@redhat.com) wrote:
> > > On Wed, Jan 08, 2020 at 01:53:53PM +, Dr. David Alan Gilbert (git)
> > > wrote:
> > > > From: "Dr. David Alan Gilbert"
On Thu, Jan 09, 2020 at 12:08:20PM +, Dr. David Alan Gilbert wrote:
> * Michael S. Tsirkin (m...@redhat.com) wrote:
> > On Wed, Jan 08, 2020 at 01:53:53PM +, Dr. David Alan Gilbert (git)
> > wrote:
> > > From: "Dr. David Alan Gilbert"
> > >
> > > Mark the synic pages as ram_device so tha
* Michael S. Tsirkin (m...@redhat.com) wrote:
> On Wed, Jan 08, 2020 at 01:53:53PM +, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert"
> >
> > Mark the synic pages as ram_device so that they won't be visible
> > to vhost.
> >
> > Signed-off-by: Dr. David Alan Gilbert
>
On Wed, Jan 08, 2020 at 01:53:53PM +, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert"
>
> Mark the synic pages as ram_device so that they won't be visible
> to vhost.
>
> Signed-off-by: Dr. David Alan Gilbert
I think I disagree with this one.
* A RAM device represent
From: "Dr. David Alan Gilbert"
Mark the synic pages as ram_device so that they won't be visible
to vhost.
Signed-off-by: Dr. David Alan Gilbert
---
hw/hyperv/hyperv.c | 14 --
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c
inde
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