From: Isaku Yamahata <yamahata@valinux.co.jp>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Gleb Natapov <gleb@redhat.com>,
t.hirofuchi@aist.go.jp, qemu-devel@nongnu.org,
kvm@vger.kernel.org, satoshi.itoh@aist.go.jp
Subject: Re: [Qemu-devel] [RFC] postcopy livemigration proposal
Date: Mon, 8 Aug 2011 18:43:29 +0900 [thread overview]
Message-ID: <20110808094329.GE25667@valinux.co.jp> (raw)
In-Reply-To: <CAJSP0QXYV8NaY1oUH8Nj+L+s_B3=vPGzH=TzZ79WS8SoqM+yMg@mail.gmail.com>
On Mon, Aug 08, 2011 at 10:38:35AM +0100, Stefan Hajnoczi wrote:
> On Mon, Aug 8, 2011 at 4:24 AM, Isaku Yamahata <yamahata@valinux.co.jp> wrote:
> > This mail is on "Yabusame: Postcopy Live Migration for Qemu/KVM"
> > on which we'll give a talk at KVM-forum.
>
> I'm curious if this approach is compatible with asynchronous page
> faults? The idea there was to tell the guest about a page fault so it
> can continue to do useful work in the meantime (if the fault was in
> guest userspace).
Yes. It's quite possible to inject async page fault into the guest
when the faulted page isn't available on the destination. At the same
time the page will be requested to the source of the migration.
I think it's not so difficult.
--
yamahata
next prev parent reply other threads:[~2011-08-08 9:43 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-08 3:24 [Qemu-devel] [RFC] postcopy livemigration proposal Isaku Yamahata
2011-08-08 9:20 ` Dor Laor
2011-08-08 9:40 ` Yaniv Kaul
2011-08-08 21:42 ` Anthony Liguori
2011-08-08 10:59 ` Nadav Har'El
2011-08-08 11:47 ` Dor Laor
2011-08-08 16:52 ` Cleber Rosa
2011-08-08 15:52 ` Anthony Liguori
2011-08-08 12:32 ` Anthony Liguori
2011-08-08 15:11 ` Dor Laor
2011-08-08 15:29 ` Anthony Liguori
2011-08-08 15:36 ` Avi Kivity
2011-08-08 15:59 ` Anthony Liguori
2011-08-08 19:47 ` Dor Laor
2011-08-09 2:07 ` Isaku Yamahata
2011-08-08 9:38 ` Stefan Hajnoczi
2011-08-08 9:43 ` Isaku Yamahata [this message]
2011-08-08 12:38 ` Avi Kivity
2011-08-09 2:33 ` Isaku Yamahata
2011-08-10 13:55 ` Avi Kivity
2011-08-11 2:19 ` Isaku Yamahata
2011-08-11 16:55 ` Andrea Arcangeli
2011-08-12 11:07 ` [Qemu-devel] [PATCH][RFC] post copy chardevice (was Re: [RFC] postcopy livemigration proposal) Isaku Yamahata
2011-08-12 11:09 ` Isaku Yamahata
2011-08-12 21:26 ` Blue Swirl
2011-08-15 19:29 ` Avi Kivity
2011-08-16 1:42 ` Isaku Yamahata
2011-08-16 13:40 ` Avi Kivity
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