From: "Daniel P. Berrange" <berrange@redhat.com>
To: Cao jin <caoj.fnst@cn.fujitsu.com>
Cc: qemu-devel@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 1/3] util: remove the obsolete non-blocking connect
Date: Thu, 28 Jul 2016 09:07:27 +0100 [thread overview]
Message-ID: <20160728080727.GC22677@redhat.com> (raw)
In-Reply-To: <1469691571-10819-2-git-send-email-caoj.fnst@cn.fujitsu.com>
On Thu, Jul 28, 2016 at 03:39:29PM +0800, Cao jin wrote:
> The non-blocking connect mechanism is obsolete, and it doesn't work well
> in inet connection, because it will call getaddrinfo first and getaddrinfo
> will blocks on DNS lookups. Since commit e65c67e4 & d984464e, the non-blocking
> connect of migration goes through QIOChannel in a different manner(using a
> thread), and nobody use this old non-blocking connect anymore.
>
> Any newly written code which needs a non-blocking connect should use the
> QIOChannel code, so we can just rip out NonBlockingConnectHandler as a
> concept entirely.
>
> Suggested-by: Daniel P. Berrange <berrange@redhat.com>
> Cc: Daniel P. Berrange <berrange@redhat.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Regards,
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
next prev parent reply other threads:[~2016-07-28 8:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-28 7:39 [Qemu-devel] [PATCH 0/3] Remove obsolete non-blocking connect Cao jin
2016-07-28 7:39 ` [Qemu-devel] [PATCH 1/3] util: remove the " Cao jin
2016-07-28 8:07 ` Daniel P. Berrange [this message]
2016-07-28 7:39 ` [Qemu-devel] [PATCH 2/3] util: fix some coding style issue Cao jin
2016-07-28 8:08 ` Daniel P. Berrange
2016-07-28 8:44 ` Cao jin
2016-07-28 7:39 ` [Qemu-devel] [PATCH 3/3] migration/socket: fix typo in file header Cao jin
2016-07-28 8:08 ` Daniel P. Berrange
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160728080727.GC22677@redhat.com \
--to=berrange@redhat.com \
--cc=caoj.fnst@cn.fujitsu.com \
--cc=kraxel@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).