qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Peter Xu <peterx@redhat.com>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: qemu-devel@nongnu.org, Laurent Vivier <lvivier@redhat.com>,
	"Daniel P . Berrange" <berrange@redhat.com>,
	Alexey Perevalov <a.perevalov@samsung.com>,
	Juan Quintela <quintela@redhat.com>,
	Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [Qemu-devel] [RFC v2 05/33] migration: better error handling with QEMUFile
Date: Tue, 26 Sep 2017 17:13:13 +0800	[thread overview]
Message-ID: <20170926091313.GD3828@pxdev.xzpeter.org> (raw)
In-Reply-To: <20170926085344.GA2689@work-vm>

On Tue, Sep 26, 2017 at 09:53:44AM +0100, Dr. David Alan Gilbert wrote:
> * Peter Xu (peterx@redhat.com) wrote:
> > On Thu, Sep 21, 2017 at 06:51:37PM +0100, Dr. David Alan Gilbert wrote:

[...]

> > > > @@ -1969,6 +2002,10 @@ static int qemu_loadvm_state_main(QEMUFile *f, MigrationIncomingState *mis)
> > > >                  goto out;
> > > >              }
> > > >              break;
> > > > +        case QEMU_VM_EOF:
> > > > +            /* This is the end of migration */
> > > > +            goto out;
> > > > +            break;
> > > 
> > > You don't need the goto and the break (although it does no harm).
> > 
> > I still need the goto to break the loop? (I think a single break will
> > only break the select, but not the loop)
> > 
> > If I remove both "goto" and "break", it'll fall through to default, I
> > suppose that's not what we want?
> 
> No, but if you have the 'goto' you don't need the 'break'.

I see.  Let me remove the "break" after "goto" then.  Thanks,

-- 
Peter Xu

  reply	other threads:[~2017-09-26  9:13 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-30  8:31 [Qemu-devel] [RFC v2 00/33] Migration: postcopy failure recovery Peter Xu
2017-08-30  8:31 ` [Qemu-devel] [RFC v2 01/33] bitmap: remove BITOP_WORD() Peter Xu
2017-09-20  8:41   ` Juan Quintela
2017-08-30  8:31 ` [Qemu-devel] [RFC v2 02/33] bitmap: introduce bitmap_count_one() Peter Xu
2017-09-20  8:25   ` Juan Quintela
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 03/33] bitmap: provide to_le/from_le helpers Peter Xu
2017-09-21 17:35   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 04/33] migration: dump str in migrate_set_state trace Peter Xu
2017-09-06 14:36   ` Dr. David Alan Gilbert
2017-09-20  8:44   ` Juan Quintela
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 05/33] migration: better error handling with QEMUFile Peter Xu
2017-09-21 17:51   ` Dr. David Alan Gilbert
2017-09-26  8:48     ` Peter Xu
2017-09-26  8:53       ` Dr. David Alan Gilbert
2017-09-26  9:13         ` Peter Xu [this message]
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 06/33] migration: reuse mis->userfault_quit_fd Peter Xu
2017-09-20  8:47   ` Juan Quintela
2017-09-20  9:06   ` Juan Quintela
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 07/33] migration: provide postcopy_fault_thread_notify() Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 08/33] migration: new postcopy-pause state Peter Xu
2017-09-21 17:57   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 09/33] migration: implement "postcopy-pause" src logic Peter Xu
2017-09-21 19:21   ` Dr. David Alan Gilbert
2017-09-26  9:35     ` Peter Xu
2017-10-09 15:32       ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 10/33] migration: allow dst vm pause on postcopy Peter Xu
2017-09-21 19:29   ` Dr. David Alan Gilbert
2017-09-27  7:34     ` Peter Xu
2017-10-09 18:58       ` Dr. David Alan Gilbert
2017-10-10  9:38         ` Peter Xu
2017-10-10 11:31           ` Peter Xu
2017-10-31 18:57             ` Dr. David Alan Gilbert
2017-10-10 12:30           ` Dr. David Alan Gilbert
2017-10-11  3:00             ` Peter Xu
2017-10-12 12:19               ` Dr. David Alan Gilbert
2017-10-13  5:08                 ` Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 11/33] migration: allow src return path to pause Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 12/33] migration: allow send_rq to fail Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 13/33] migration: allow fault thread to pause Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 14/33] qmp: hmp: add migrate "resume" option Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 15/33] migration: pass MigrationState to migrate_init() Peter Xu
2017-09-22  9:09   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 16/33] migration: rebuild channel on source Peter Xu
2017-09-22  9:56   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 17/33] migration: new state "postcopy-recover" Peter Xu
2017-09-22 10:08   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 18/33] migration: wakeup dst ram-load-thread for recover Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 19/33] migration: new cmd MIG_CMD_RECV_BITMAP Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 20/33] migration: new message MIG_RP_MSG_RECV_BITMAP Peter Xu
2017-09-22 11:05   ` Dr. David Alan Gilbert
2017-09-27 10:04     ` Peter Xu
2017-10-09 19:12       ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 21/33] migration: new cmd MIG_CMD_POSTCOPY_RESUME Peter Xu
2017-09-22 11:08   ` Dr. David Alan Gilbert
2017-09-27 10:11     ` Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 22/33] migration: new message MIG_RP_MSG_RESUME_ACK Peter Xu
2017-09-22 11:13   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 23/33] migration: introduce SaveVMHandlers.resume_prepare Peter Xu
2017-09-22 11:17   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 24/33] migration: synchronize dirty bitmap for resume Peter Xu
2017-09-22 11:33   ` Dr. David Alan Gilbert
2017-09-28  2:30     ` Peter Xu
2017-10-02 11:04       ` Dr. David Alan Gilbert
2017-10-09  3:55         ` Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 25/33] migration: setup ramstate " Peter Xu
2017-09-22 11:53   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 26/33] migration: final handshake for the resume Peter Xu
2017-09-22 11:56   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 27/33] migration: free SocketAddress where allocated Peter Xu
2017-09-22 20:08   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 28/33] migration: return incoming task tag for sockets Peter Xu
2017-09-22 20:11   ` Dr. David Alan Gilbert
2017-09-28  3:12     ` Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 29/33] migration: return incoming task tag for exec Peter Xu
2017-09-22 20:15   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 30/33] migration: return incoming task tag for fd Peter Xu
2017-09-22 20:15   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 31/33] migration: store listen task tag Peter Xu
2017-09-22 20:17   ` Dr. David Alan Gilbert
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 32/33] migration: allow migrate_incoming for paused VM Peter Xu
2017-09-22 20:32   ` Dr. David Alan Gilbert
2017-09-28  6:54     ` Peter Xu
2017-10-09 17:28       ` Dr. David Alan Gilbert
2017-10-10 10:08         ` Peter Xu
2017-08-30  8:32 ` [Qemu-devel] [RFC v2 33/33] migration: init dst in migration_object_init too Peter Xu
2017-09-22 20:37   ` Dr. David Alan Gilbert

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=20170926091313.GD3828@pxdev.xzpeter.org \
    --to=peterx@redhat.com \
    --cc=a.perevalov@samsung.com \
    --cc=aarcange@redhat.com \
    --cc=berrange@redhat.com \
    --cc=dgilbert@redhat.com \
    --cc=lvivier@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=quintela@redhat.com \
    /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).