On 08/13/2018 12:00 PM, Dr. David Alan Gilbert wrote:
> cc'ing in Mike*2
> * Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
>>
>>
>> On 26.07.2018 12:23, Peter Xu wrote:
>>> On Thu, Jul 26, 2018 at 10:51:33AM +0200, Paolo Bonzini wrote:
On 25/07/2018 22:04, Andrea Arcangeli wrote:
>
On Mon, Aug 13, 2018 at 08:00:19PM +0100, Dr. David Alan Gilbert wrote:
> cc'ing in Mike*2
> * Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
> >
> >
> > On 26.07.2018 12:23, Peter Xu wrote:
> > > On Thu, Jul 26, 2018 at 10:51:33AM +0200, Paolo Bonzini wrote:
> > > > On 25/07/2018 22:04,
On Mon, Aug 13, 2018 at 08:00:19PM +0100, Dr. David Alan Gilbert wrote:
> cc'ing in Mike*2
> * Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
> >
> >
> > On 26.07.2018 12:23, Peter Xu wrote:
> > > On Thu, Jul 26, 2018 at 10:51:33AM +0200, Paolo Bonzini wrote:
> > > > On 25/07/2018 22:04,
cc'ing in Mike*2
* Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
>
>
> On 26.07.2018 12:23, Peter Xu wrote:
> > On Thu, Jul 26, 2018 at 10:51:33AM +0200, Paolo Bonzini wrote:
> > > On 25/07/2018 22:04, Andrea Arcangeli wrote:
> > > >
> > > > It may look like the uffd-wp model is
On 26.07.2018 12:23, Peter Xu wrote:
On Thu, Jul 26, 2018 at 10:51:33AM +0200, Paolo Bonzini wrote:
On 25/07/2018 22:04, Andrea Arcangeli wrote:
It may look like the uffd-wp model is wish-feature similar to an
optimization, but without the uffd-wp model when the WP fault is
triggered by
* Paolo Bonzini (pbonz...@redhat.com) wrote:
> On 25/07/2018 22:04, Andrea Arcangeli wrote:
> >
> > It may look like the uffd-wp model is wish-feature similar to an
> > optimization, but without the uffd-wp model when the WP fault is
> > triggered by kernel code, the sigsegv model falls apart and
On Thu, Jul 26, 2018 at 10:51:33AM +0200, Paolo Bonzini wrote:
> On 25/07/2018 22:04, Andrea Arcangeli wrote:
> >
> > It may look like the uffd-wp model is wish-feature similar to an
> > optimization, but without the uffd-wp model when the WP fault is
> > triggered by kernel code, the sigsegv
On 25/07/2018 22:04, Andrea Arcangeli wrote:
>
> It may look like the uffd-wp model is wish-feature similar to an
> optimization, but without the uffd-wp model when the WP fault is
> triggered by kernel code, the sigsegv model falls apart and requires
> all kind of ad-hoc changes just for this
On Wed, Jul 25, 2018 at 08:17:37PM +0100, Dr. David Alan Gilbert wrote:
> * Peter Xu (pet...@redhat.com) wrote:
> > On Fri, Jun 29, 2018 at 12:53:59PM +0100, Dr. David Alan Gilbert wrote:
> > > * Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
> > > > The patch set adds the ability to make
* Peter Xu (pet...@redhat.com) wrote:
> On Fri, Jun 29, 2018 at 12:53:59PM +0100, Dr. David Alan Gilbert wrote:
> > * Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
> > > The patch set adds the ability to make external snapshots while VM is
> > > running.
> >
> > cc'ing in Andrea since this
On Fri, Jun 29, 2018 at 12:53:59PM +0100, Dr. David Alan Gilbert wrote:
> * Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
> > The patch set adds the ability to make external snapshots while VM is
> > running.
>
> cc'ing in Andrea since this uses sigsegv's to avoid userfault-wp that
> isn't
On 13.07.2018 08:20, Peter Xu wrote:
On Fri, Jun 29, 2018 at 11:03:13AM +0300, Denis Plotnikov wrote:
The patch set adds the ability to make external snapshots while VM is running.
The workflow to make a snapshot is the following:
1. Pause the vm
2. Make a snapshot of block devices using
On Fri, Jun 29, 2018 at 11:03:13AM +0300, Denis Plotnikov wrote:
> The patch set adds the ability to make external snapshots while VM is running.
>
> The workflow to make a snapshot is the following:
> 1. Pause the vm
> 2. Make a snapshot of block devices using the scheme of your choice
> 3. Turn
On Mon, Jul 02, 2018 at 03:40:31PM +0300, Denis Plotnikov wrote:
>
>
> On 02.07.2018 14:23, Peter Xu wrote:
> > On Fri, Jun 29, 2018 at 11:03:13AM +0300, Denis Plotnikov wrote:
> > > The patch set adds the ability to make external snapshots while VM is
> > > running.
> >
> > Hi, Denis,
> >
>
On 02.07.2018 14:23, Peter Xu wrote:
On Fri, Jun 29, 2018 at 11:03:13AM +0300, Denis Plotnikov wrote:
The patch set adds the ability to make external snapshots while VM is running.
Hi, Denis,
This work is interesting, though I have a few questions to ask in
general below.
The workflow
On Fri, Jun 29, 2018 at 11:03:13AM +0300, Denis Plotnikov wrote:
> The patch set adds the ability to make external snapshots while VM is running.
Hi, Denis,
This work is interesting, though I have a few questions to ask in
general below.
>
> The workflow to make a snapshot is the following:
>
* Denis Plotnikov (dplotni...@virtuozzo.com) wrote:
> The patch set adds the ability to make external snapshots while VM is running.
cc'ing in Andrea since this uses sigsegv's to avoid userfault-wp that
isn't there yet.
Hi Denis,
How robust are you finding this SEGV based trick; for example
The patch set adds the ability to make external snapshots while VM is running.
The workflow to make a snapshot is the following:
1. Pause the vm
2. Make a snapshot of block devices using the scheme of your choice
3. Turn on background-snapshot migration capability
4. Start the migration using the
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