From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Peter Xu <peterx@redhat.com>
Cc: qemu-devel@nongnu.org, Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 3/5] migration: do explicit incoming setup for rdma
Date: Wed, 27 Jun 2018 13:25:45 +0100 [thread overview]
Message-ID: <20180627122544.GG2423@work-vm> (raw)
In-Reply-To: <20180627105112.31401-4-peterx@redhat.com>
* Peter Xu (peterx@redhat.com) wrote:
> RDMA does not support postcopy recovery, so no need to go into such
> logic. Instead of calling migration_fd_process_incoming(), let's call
> the two functions that setup the incoming migration. There should have
> no functional change at all.
Can you explain why we need to though? The reason I ask is that there
is Lidong Chen's work that gets postcopy partially working with RDMA, so
then the next question is bound to be recovery.
Dave
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
> migration/rdma.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/migration/rdma.c b/migration/rdma.c
> index 8bd7159059..217cdd7dd8 100644
> --- a/migration/rdma.c
> +++ b/migration/rdma.c
> @@ -3687,7 +3687,8 @@ static void rdma_accept_incoming_migration(void *opaque)
> }
>
> rdma->migration_started_on_destination = 1;
> - migration_fd_process_incoming(f);
> + migration_incoming_setup(f);
> + migration_incoming_process();
> }
>
> void rdma_start_incoming_migration(const char *host_port, Error **errp)
> --
> 2.17.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2018-06-27 12:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-27 10:51 [Qemu-devel] [PATCH v2 0/5] migation: unbreak postcopy recovery Peter Xu
2018-06-27 10:51 ` [Qemu-devel] [PATCH v2 1/5] migration: delay postcopy paused state Peter Xu
2018-06-27 10:51 ` [Qemu-devel] [PATCH v2 2/5] migration: move income process out of multifd Peter Xu
2018-06-27 10:51 ` [Qemu-devel] [PATCH v2 3/5] migration: do explicit incoming setup for rdma Peter Xu
2018-06-27 12:25 ` Dr. David Alan Gilbert [this message]
2018-06-27 13:03 ` Peter Xu
2018-06-27 14:13 ` Dr. David Alan Gilbert
2018-06-29 6:58 ` Peter Xu
2018-06-27 10:51 ` [Qemu-devel] [PATCH v2 4/5] migration: unbreak postcopy recovery Peter Xu
2018-06-27 10:51 ` [Qemu-devel] [PATCH v2 5/5] migration: unify incoming processing Peter Xu
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