Re: Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-19 Thread Daniel P . Berrangé
On Fri, Jan 15, 2021 at 10:55:14AM -0800, Ram Pai wrote: > On Wed, Jan 13, 2021 at 09:06:29AM +0100, Cornelia Huck wrote: > > On Tue, 12 Jan 2021 10:55:11 -0800 > > Ram Pai wrote: > > > > > On Tue, Jan 12, 2021 at 09:19:43AM +0100, Cornelia Huck wrote: > > > Actually the two options are inherentl

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-19 Thread Cornelia Huck
On Tue, 19 Jan 2021 09:28:22 +0100 Christian Borntraeger wrote: > On 18.01.21 18:39, Dr. David Alan Gilbert wrote: > > * David Gibson (da...@gibson.dropbear.id.au) wrote: > >> On Thu, Jan 14, 2021 at 11:25:17AM +, Daniel P. Berrangé wrote: > >>> On Wed, Jan 13, 2021 at 12:42:26PM +, D

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-19 Thread Christian Borntraeger
On 18.01.21 18:39, Dr. David Alan Gilbert wrote: > * David Gibson (da...@gibson.dropbear.id.au) wrote: >> On Thu, Jan 14, 2021 at 11:25:17AM +, Daniel P. Berrangé wrote: >>> On Wed, Jan 13, 2021 at 12:42:26PM +, Dr. David Alan Gilbert wrote: * Cornelia Huck (coh...@redhat.com) wrote

Re: Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-19 Thread Cornelia Huck
On Fri, 15 Jan 2021 10:55:14 -0800 Ram Pai wrote: > On Wed, Jan 13, 2021 at 09:06:29AM +0100, Cornelia Huck wrote: > > On Tue, 12 Jan 2021 10:55:11 -0800 > > Ram Pai wrote: > > > > > On Tue, Jan 12, 2021 at 09:19:43AM +0100, Cornelia Huck wrote: > > > > On Mon, 11 Jan 2021 11:58:30 -0800 >

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-18 Thread Dr. David Alan Gilbert
* David Gibson (da...@gibson.dropbear.id.au) wrote: > On Thu, Jan 14, 2021 at 11:25:17AM +, Daniel P. Berrangé wrote: > > On Wed, Jan 13, 2021 at 12:42:26PM +, Dr. David Alan Gilbert wrote: > > > * Cornelia Huck (coh...@redhat.com) wrote: > > > > On Tue, 5 Jan 2021 12:41:25 -0800 > > > > Ra

Re: Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-15 Thread Ram Pai
On Wed, Jan 13, 2021 at 09:06:29AM +0100, Cornelia Huck wrote: > On Tue, 12 Jan 2021 10:55:11 -0800 > Ram Pai wrote: > > > On Tue, Jan 12, 2021 at 09:19:43AM +0100, Cornelia Huck wrote: > > > On Mon, 11 Jan 2021 11:58:30 -0800 > > > Ram Pai wrote: > > > > > > > On Mon, Jan 11, 2021 at 05:59:1

RE: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-15 Thread Ram Pai
On Thu, Jan 14, 2021 at 10:36:43AM +, Dr. David Alan Gilbert wrote: > * Christian Borntraeger (borntrae...@de.ibm.com) wrote: > > > > > > On 13.01.21 13:42, Dr. David Alan Gilbert wrote: > > > * Cornelia Huck (coh...@redhat.com) wrote: > > >> On Tue, 5 Jan 2021 12:41:25 -0800 > > >> Ram Pai

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread David Gibson
On Thu, Jan 14, 2021 at 11:25:17AM +, Daniel P. Berrangé wrote: > On Wed, Jan 13, 2021 at 12:42:26PM +, Dr. David Alan Gilbert wrote: > > * Cornelia Huck (coh...@redhat.com) wrote: > > > On Tue, 5 Jan 2021 12:41:25 -0800 > > > Ram Pai wrote: > > > > > > > On Tue, Jan 05, 2021 at 11:56:14A

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Daniel P . Berrangé
On Thu, Jan 14, 2021 at 04:25:21PM +0100, Christian Borntraeger wrote: > On 14.01.21 15:15, Daniel P. Berrangé wrote: > > On Thu, Jan 14, 2021 at 03:09:01PM +0100, Christian Borntraeger wrote: > >> > >> > >> On 14.01.21 15:04, Cornelia Huck wrote: > >> > >> What about a libvirt change that removes

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Christian Borntraeger
On 14.01.21 15:15, Daniel P. Berrangé wrote: > On Thu, Jan 14, 2021 at 03:09:01PM +0100, Christian Borntraeger wrote: >> >> >> On 14.01.21 15:04, Cornelia Huck wrote: >>> On Thu, 14 Jan 2021 12:20:48 + >>> Daniel P. Berrangé wrote: >>> On Thu, Jan 14, 2021 at 12:50:12PM +0100, Christian B

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Daniel P . Berrangé
On Thu, Jan 14, 2021 at 03:09:01PM +0100, Christian Borntraeger wrote: > > > On 14.01.21 15:04, Cornelia Huck wrote: > > On Thu, 14 Jan 2021 12:20:48 + > > Daniel P. Berrangé wrote: > > > >> On Thu, Jan 14, 2021 at 12:50:12PM +0100, Christian Borntraeger wrote: > >>> > >>> > >>> On 14.01.21

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Christian Borntraeger
On 14.01.21 15:04, Cornelia Huck wrote: > On Thu, 14 Jan 2021 12:20:48 + > Daniel P. Berrangé wrote: > >> On Thu, Jan 14, 2021 at 12:50:12PM +0100, Christian Borntraeger wrote: >>> >>> >>> On 14.01.21 12:45, Dr. David Alan Gilbert wrote: * Cornelia Huck (coh...@redhat.com) wrote:

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Cornelia Huck
On Thu, 14 Jan 2021 12:20:48 + Daniel P. Berrangé wrote: > On Thu, Jan 14, 2021 at 12:50:12PM +0100, Christian Borntraeger wrote: > > > > > > On 14.01.21 12:45, Dr. David Alan Gilbert wrote: > > > * Cornelia Huck (coh...@redhat.com) wrote: > > >> On Thu, 14 Jan 2021 11:52:11 +0100 > > >

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Daniel P . Berrangé
On Thu, Jan 14, 2021 at 12:50:12PM +0100, Christian Borntraeger wrote: > > > On 14.01.21 12:45, Dr. David Alan Gilbert wrote: > > * Cornelia Huck (coh...@redhat.com) wrote: > >> On Thu, 14 Jan 2021 11:52:11 +0100 > >> Christian Borntraeger wrote: > >> > >>> On 14.01.21 11:36, Dr. David Alan Gilb

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Christian Borntraeger
On 14.01.21 12:45, Dr. David Alan Gilbert wrote: > * Cornelia Huck (coh...@redhat.com) wrote: >> On Thu, 14 Jan 2021 11:52:11 +0100 >> Christian Borntraeger wrote: >> >>> On 14.01.21 11:36, Dr. David Alan Gilbert wrote: * Christian Borntraeger (borntrae...@de.ibm.com) wrote: > >

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Dr. David Alan Gilbert
* Cornelia Huck (coh...@redhat.com) wrote: > On Thu, 14 Jan 2021 11:52:11 +0100 > Christian Borntraeger wrote: > > > On 14.01.21 11:36, Dr. David Alan Gilbert wrote: > > > * Christian Borntraeger (borntrae...@de.ibm.com) wrote: > > >> > > >> > > >> On 13.01.21 13:42, Dr. David Alan Gilbert wrot

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Daniel P . Berrangé
On Wed, Jan 13, 2021 at 12:42:26PM +, Dr. David Alan Gilbert wrote: > * Cornelia Huck (coh...@redhat.com) wrote: > > On Tue, 5 Jan 2021 12:41:25 -0800 > > Ram Pai wrote: > > > > > On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > > > > On Mon, 4 Jan 2021 10:40:26 -0800 > > > > Ra

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Daniel P . Berrangé
On Mon, Jan 11, 2021 at 11:58:30AM -0800, Ram Pai wrote: > On Mon, Jan 11, 2021 at 05:59:14PM +0100, Cornelia Huck wrote: > > On Tue, 5 Jan 2021 12:41:25 -0800 > > Ram Pai wrote: > > > > > On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > > > > On Mon, 4 Jan 2021 10:40:26 -0800 > > >

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Cornelia Huck
On Thu, 14 Jan 2021 11:52:11 +0100 Christian Borntraeger wrote: > On 14.01.21 11:36, Dr. David Alan Gilbert wrote: > > * Christian Borntraeger (borntrae...@de.ibm.com) wrote: > >> > >> > >> On 13.01.21 13:42, Dr. David Alan Gilbert wrote: > >>> * Cornelia Huck (coh...@redhat.com) wrote: > >

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Christian Borntraeger
On 14.01.21 11:36, Dr. David Alan Gilbert wrote: > * Christian Borntraeger (borntrae...@de.ibm.com) wrote: >> >> >> On 13.01.21 13:42, Dr. David Alan Gilbert wrote: >>> * Cornelia Huck (coh...@redhat.com) wrote: On Tue, 5 Jan 2021 12:41:25 -0800 Ram Pai wrote: > On Tue, Jan 0

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Dr. David Alan Gilbert
* Christian Borntraeger (borntrae...@de.ibm.com) wrote: > > > On 13.01.21 13:42, Dr. David Alan Gilbert wrote: > > * Cornelia Huck (coh...@redhat.com) wrote: > >> On Tue, 5 Jan 2021 12:41:25 -0800 > >> Ram Pai wrote: > >> > >>> On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: >

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-14 Thread Christian Borntraeger
On 13.01.21 13:42, Dr. David Alan Gilbert wrote: > * Cornelia Huck (coh...@redhat.com) wrote: >> On Tue, 5 Jan 2021 12:41:25 -0800 >> Ram Pai wrote: >> >>> On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: On Mon, 4 Jan 2021 10:40:26 -0800 Ram Pai wrote: >> > The main

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-13 Thread Dr. David Alan Gilbert
* Cornelia Huck (coh...@redhat.com) wrote: > On Tue, 5 Jan 2021 12:41:25 -0800 > Ram Pai wrote: > > > On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > > > On Mon, 4 Jan 2021 10:40:26 -0800 > > > Ram Pai wrote: > > > > > The main difference between my proposal and the other proposa

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-13 Thread Cornelia Huck
On Tue, 12 Jan 2021 10:55:11 -0800 Ram Pai wrote: > On Tue, Jan 12, 2021 at 09:19:43AM +0100, Cornelia Huck wrote: > > On Mon, 11 Jan 2021 11:58:30 -0800 > > Ram Pai wrote: > > > > > On Mon, Jan 11, 2021 at 05:59:14PM +0100, Cornelia Huck wrote: > > > > On Tue, 5 Jan 2021 12:41:25 -0800 > >

RE: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-12 Thread Ram Pai
On Tue, Jan 12, 2021 at 09:19:43AM +0100, Cornelia Huck wrote: > On Mon, 11 Jan 2021 11:58:30 -0800 > Ram Pai wrote: > > > On Mon, Jan 11, 2021 at 05:59:14PM +0100, Cornelia Huck wrote: > > > On Tue, 5 Jan 2021 12:41:25 -0800 > > > Ram Pai wrote: > > > > > > > On Tue, Jan 05, 2021 at 11:56:14

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-12 Thread Cornelia Huck
On Mon, 11 Jan 2021 11:58:30 -0800 Ram Pai wrote: > On Mon, Jan 11, 2021 at 05:59:14PM +0100, Cornelia Huck wrote: > > On Tue, 5 Jan 2021 12:41:25 -0800 > > Ram Pai wrote: > > > > > On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > > > > On Mon, 4 Jan 2021 10:40:26 -0800 > > >

RE: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-11 Thread Ram Pai
On Mon, Jan 11, 2021 at 05:59:14PM +0100, Cornelia Huck wrote: > On Tue, 5 Jan 2021 12:41:25 -0800 > Ram Pai wrote: > > > On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > > > On Mon, 4 Jan 2021 10:40:26 -0800 > > > Ram Pai wrote: > > > > > The main difference between my proposal a

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-11 Thread Cornelia Huck
On Tue, 5 Jan 2021 12:41:25 -0800 Ram Pai wrote: > On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > > On Mon, 4 Jan 2021 10:40:26 -0800 > > Ram Pai wrote: > > > The main difference between my proposal and the other proposal is... > > > > > > In my proposal the guest makes the c

RE: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-05 Thread Ram Pai
On Tue, Jan 05, 2021 at 11:56:14AM +0100, Halil Pasic wrote: > On Mon, 4 Jan 2021 10:40:26 -0800 > Ram Pai wrote: > > > On Mon, Jan 04, 2021 at 01:46:29PM +0100, Halil Pasic wrote: > > > On Sun, 3 Jan 2021 23:15:50 -0800 > > > Ram Pai wrote: > > > > > > > On Fri, Dec 18, 2020 at 12:41:11PM +0

Re: [EXTERNAL] Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-05 Thread Halil Pasic
On Mon, 4 Jan 2021 10:40:26 -0800 Ram Pai wrote: > On Mon, Jan 04, 2021 at 01:46:29PM +0100, Halil Pasic wrote: > > On Sun, 3 Jan 2021 23:15:50 -0800 > > Ram Pai wrote: > > > > > On Fri, Dec 18, 2020 at 12:41:11PM +0100, Cornelia Huck wrote: > > > > On Thu, 17 Dec 2020 15:15:30 +0100 > >

RE: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-04 Thread Ram Pai
On Mon, Jan 04, 2021 at 01:46:29PM +0100, Halil Pasic wrote: > On Sun, 3 Jan 2021 23:15:50 -0800 > Ram Pai wrote: > > > On Fri, Dec 18, 2020 at 12:41:11PM +0100, Cornelia Huck wrote: > > > On Thu, 17 Dec 2020 15:15:30 +0100 > [..] > > > > > > > > +int kvmppc_svm_init(SecurableGuestMemory *sgm, Er

Re: [EXTERNAL] Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-04 Thread Halil Pasic
On Sun, 3 Jan 2021 23:15:50 -0800 Ram Pai wrote: > On Fri, Dec 18, 2020 at 12:41:11PM +0100, Cornelia Huck wrote: > > On Thu, 17 Dec 2020 15:15:30 +0100 [..] > > > > > > > +int kvmppc_svm_init(SecurableGuestMemory *sgm, Error **errp) > > > > > > > { > > > > > > > if (!kvm_check_extension(kv

Re: Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2021-01-03 Thread Ram Pai
On Fri, Dec 18, 2020 at 12:41:11PM +0100, Cornelia Huck wrote: > On Thu, 17 Dec 2020 15:15:30 +0100 > Greg Kurz wrote: > > > On Thu, 17 Dec 2020 12:38:42 +0100 > > Cornelia Huck wrote: > > > > > On Thu, 17 Dec 2020 16:47:36 +1100 > > > David Gibson wrote: > > > > > > > On Mon, Dec 14, 2020

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2020-12-18 Thread Dr. David Alan Gilbert
* Cornelia Huck (coh...@redhat.com) wrote: > On Thu, 17 Dec 2020 15:15:30 +0100 > Greg Kurz wrote: > > > On Thu, 17 Dec 2020 12:38:42 +0100 > > Cornelia Huck wrote: > > > > > On Thu, 17 Dec 2020 16:47:36 +1100 > > > David Gibson wrote: > > > > > > > On Mon, Dec 14, 2020 at 06:22:40PM +0100,

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2020-12-18 Thread Cornelia Huck
On Thu, 17 Dec 2020 15:15:30 +0100 Greg Kurz wrote: > On Thu, 17 Dec 2020 12:38:42 +0100 > Cornelia Huck wrote: > > > On Thu, 17 Dec 2020 16:47:36 +1100 > > David Gibson wrote: > > > > > On Mon, Dec 14, 2020 at 06:22:40PM +0100, Cornelia Huck wrote: > > > > On Fri, 4 Dec 2020 16:44:13 +1

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2020-12-17 Thread Greg Kurz
On Thu, 17 Dec 2020 12:38:42 +0100 Cornelia Huck wrote: > On Thu, 17 Dec 2020 16:47:36 +1100 > David Gibson wrote: > > > On Mon, Dec 14, 2020 at 06:22:40PM +0100, Cornelia Huck wrote: > > > On Fri, 4 Dec 2020 16:44:13 +1100 > > > David Gibson wrote: > > > > > > > We haven't yet implemented

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2020-12-17 Thread Cornelia Huck
On Thu, 17 Dec 2020 16:47:36 +1100 David Gibson wrote: > On Mon, Dec 14, 2020 at 06:22:40PM +0100, Cornelia Huck wrote: > > On Fri, 4 Dec 2020 16:44:13 +1100 > > David Gibson wrote: > > > > > We haven't yet implemented the fairly involved handshaking that will be > > > needed to migrate PEF

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2020-12-16 Thread David Gibson
On Mon, Dec 14, 2020 at 06:22:40PM +0100, Cornelia Huck wrote: > On Fri, 4 Dec 2020 16:44:13 +1100 > David Gibson wrote: > > > We haven't yet implemented the fairly involved handshaking that will be > > needed to migrate PEF protected guests. For now, just use a migration > > blocker so we get

Re: [for-6.0 v5 11/13] spapr: PEF: prevent migration

2020-12-14 Thread Cornelia Huck
On Fri, 4 Dec 2020 16:44:13 +1100 David Gibson wrote: > We haven't yet implemented the fairly involved handshaking that will be > needed to migrate PEF protected guests. For now, just use a migration > blocker so we get a meaningful error if someone attempts this (this is the > same approach us