Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-07 Thread Dr. David Alan Gilbert
* Michael S. Tsirkin (m...@redhat.com) wrote: > On Fri, Jul 07, 2017 at 01:01:56PM +0100, Dr. David Alan Gilbert wrote: > > > >Take care of deadlocking; any thread in the client that > > > >accesses a userfault protected page can stall. > > > > > > And it can happen under a lock quite easi

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-07 Thread Michael S. Tsirkin
On Fri, Jul 07, 2017 at 01:01:56PM +0100, Dr. David Alan Gilbert wrote: > > >Take care of deadlocking; any thread in the client that > > >accesses a userfault protected page can stall. > > > > And it can happen under a lock quite easily. > > What exactly is proposed here? > > Maybe we want

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-07 Thread Dr. David Alan Gilbert
* Michael S. Tsirkin (m...@redhat.com) wrote: > On Wed, Jun 28, 2017 at 08:00:18PM +0100, Dr. David Alan Gilbert (git) wrote: > > From: "Dr. David Alan Gilbert" > > > > Hi, > > This is a RFC/WIP series that enables postcopy migration > > with shared memory to a vhost-user process. > > It's base

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-07 Thread Dr. David Alan Gilbert
* Marc-André Lureau (marcandre.lur...@gmail.com) wrote: > Hi > > On Thu, Jun 29, 2017 at 8:56 PM Dr. David Alan Gilbert > wrote: > > > * Dr. David Alan Gilbert (git) (dgilb...@redhat.com) wrote: > > > From: "Dr. David Alan Gilbert" > > > > > > Hi, > > > This is a RFC/WIP series that enables p

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-03 Thread Michael S. Tsirkin
On Wed, Jun 28, 2017 at 08:00:18PM +0100, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > Hi, > This is a RFC/WIP series that enables postcopy migration > with shared memory to a vhost-user process. > It's based off current-head + Juan's load_cleanup series, and > Alexe

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-03 Thread Alexey
On Mon, Jul 03, 2017 at 05:49:26PM +0100, Dr. David Alan Gilbert wrote: > * Alexey (a.pereva...@samsung.com) wrote: > > > > Hello, David! > > > > Thank for you patch set. > > > > On Wed, Jun 28, 2017 at 08:00:18PM +0100, Dr. David Alan Gilbert (git) > > wrote: > > > From: "Dr. David Alan Gilber

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-03 Thread Dr. David Alan Gilbert
* Alexey (a.pereva...@samsung.com) wrote: > > Hello, David! > > Thank for you patch set. > > On Wed, Jun 28, 2017 at 08:00:18PM +0100, Dr. David Alan Gilbert (git) wrote: > > From: "Dr. David Alan Gilbert" > > > > Hi, > > This is a RFC/WIP series that enables postcopy migration > > with shar

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-03 Thread Alexey
Hello, David! Thank for you patch set. On Wed, Jun 28, 2017 at 08:00:18PM +0100, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > Hi, > This is a RFC/WIP series that enables postcopy migration > with shared memory to a vhost-user process. > It's based off current-head

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-03 Thread Dr. David Alan Gilbert
* Marc-André Lureau (marcandre.lur...@gmail.com) wrote: > Hi > > On Thu, Jun 29, 2017 at 8:56 PM Dr. David Alan Gilbert > wrote: > > > * Dr. David Alan Gilbert (git) (dgilb...@redhat.com) wrote: > > > From: "Dr. David Alan Gilbert" > > > > > > Hi, > > > This is a RFC/WIP series that enables p

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-07-03 Thread Marc-André Lureau
Hi On Thu, Jun 29, 2017 at 8:56 PM Dr. David Alan Gilbert wrote: > * Dr. David Alan Gilbert (git) (dgilb...@redhat.com) wrote: > > From: "Dr. David Alan Gilbert" > > > > Hi, > > This is a RFC/WIP series that enables postcopy migration > > with shared memory to a vhost-user process. > > It's b

Re: [Qemu-devel] [RFC 00/29] postcopy+vhost-user/shared ram

2017-06-29 Thread Dr. David Alan Gilbert
* Dr. David Alan Gilbert (git) (dgilb...@redhat.com) wrote: > From: "Dr. David Alan Gilbert" > > Hi, > This is a RFC/WIP series that enables postcopy migration > with shared memory to a vhost-user process. > It's based off current-head + Juan's load_cleanup series, and > Alexey's bitmap series