From: Juan Quintela <quintela@redhat.com>
To: Peter Xu <peterx@redhat.com>
Cc: qemu-devel@nongnu.org, Alexey Perevalov <a.perevalov@samsung.com>,
"Daniel P . Berrange" <berrange@redhat.com>,
Andrea Arcangeli <aarcange@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v8 01/24] migration: let incoming side use thread context
Date: Tue, 08 May 2018 16:36:26 +0200 [thread overview]
Message-ID: <87y3gu6wph.fsf@secure.laptop> (raw)
In-Reply-To: <20180502104740.12123-2-peterx@redhat.com> (Peter Xu's message of "Wed, 2 May 2018 18:47:17 +0800")
Peter Xu <peterx@redhat.com> wrote:
> The old incoming migration is running in main thread and default
> gcontext. With the new qio_channel_add_watch_full() we can now let it
> run in the thread's own gcontext (if there is one).
>
> Currently this patch does nothing alone. But when any of the incoming
> migration is run in another iothread (e.g., the upcoming migrate-recover
> command), this patch will bind the incoming logic to the iothread
> instead of the main thread (which may already get page faulted and
> hanged).
>
> RDMA is not considered for now since it's not even using the QIO watch
> framework at all.
>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
next prev parent reply other threads:[~2018-05-08 14:34 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 10:47 [Qemu-devel] [PATCH v8 00/24] Migration: postcopy failure recovery Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 01/24] migration: let incoming side use thread context Peter Xu
2018-05-08 14:36 ` Juan Quintela [this message]
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 02/24] migration: new postcopy-pause state Peter Xu
2018-05-08 15:16 ` Juan Quintela
2018-05-09 4:05 ` Peter Xu
2018-05-09 6:59 ` Juan Quintela
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 03/24] migration: implement "postcopy-pause" src logic Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 04/24] migration: allow dst vm pause on postcopy Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 05/24] migration: allow src return path to pause Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 06/24] migration: allow fault thread " Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 07/24] qmp: hmp: add migrate "resume" option Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 08/24] migration: rebuild channel on source Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 09/24] migration: new state "postcopy-recover" Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 10/24] migration: wakeup dst ram-load-thread for recover Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 11/24] migration: new cmd MIG_CMD_RECV_BITMAP Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 12/24] migration: new message MIG_RP_MSG_RECV_BITMAP Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 13/24] migration: new cmd MIG_CMD_POSTCOPY_RESUME Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 14/24] migration: new message MIG_RP_MSG_RESUME_ACK Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 15/24] migration: introduce SaveVMHandlers.resume_prepare Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 16/24] migration: synchronize dirty bitmap for resume Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 17/24] migration: setup ramstate " Peter Xu
2018-05-08 10:54 ` Dr. David Alan Gilbert
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 18/24] migration: final handshake for the resume Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 19/24] migration: init dst in migration_object_init too Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 20/24] qmp/migration: new command migrate-recover Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 21/24] hmp/migration: add migrate_recover command Peter Xu
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 22/24] migration: introduce lock for to_dst_file Peter Xu
2018-05-08 11:31 ` Dr. David Alan Gilbert
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 23/24] migration/qmp: add command migrate-pause Peter Xu
2018-05-08 13:20 ` Dr. David Alan Gilbert
2018-05-02 10:47 ` [Qemu-devel] [PATCH v8 24/24] migration/hmp: add migrate_pause command Peter Xu
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=87y3gu6wph.fsf@secure.laptop \
--to=quintela@redhat.com \
--cc=a.perevalov@samsung.com \
--cc=aarcange@redhat.com \
--cc=berrange@redhat.com \
--cc=dgilbert@redhat.com \
--cc=peterx@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.