Re: [Qemu-devel] [PULL 5/5] multifd: Use number of channels as listen backlog

[Wei Yang <richardw.yang@linux.intel.com>]

On Wed, Sep 04, 2019 at 08:29:15AM +0200, Juan Quintela wrote:
>Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
>Signed-off-by: Juan Quintela <quintela@redhat.com>
>---
> migration/socket.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
>diff --git a/migration/socket.c b/migration/socket.c
>index e63f5e1612..97c9efde59 100644
>--- a/migration/socket.c
>+++ b/migration/socket.c
>@@ -178,10 +178,15 @@ static void socket_start_incoming_migration(SocketAddress *saddr,
> {
>     QIONetListener *listener = qio_net_listener_new();
>     size_t i;
>+    int num = 1;
> 
>     qio_net_listener_set_name(listener, "migration-socket-listener");
> 
>-    if (qio_net_listener_open_sync(listener, saddr, 1, errp) < 0) {
>+    if (migrate_use_multifd()) {
>+        num = migrate_multifd_channels();
>+    }
>+
>+    if (qio_net_listener_open_sync(listener, saddr, num, errp) < 0) {
>         object_unref(OBJECT(listener));
>         return;
>     }

My confusion is this function is called at the beginning of the program, which
means we didn't set multifd on or change the multifd channel parameter.

They are the default value at this point.

Am I right?

>-- 
>2.21.0
>

-- 
Wei Yang
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