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Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start |
Date: |
Fri, 16 Mar 2012 10:43:32 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
Il 16/03/2012 09:54, Jason Wang ha scritto:
> qemu_announce_self() were moved to vm_start(). This is because we may
> want to let guest to send the gratuitous packets. After this change,
> we need to check the previous run state (RUN_STATE_INMIGRATE) to
> decide whether an announcement is needed.
>
> Signed-off-by: Jason Wang <address@hidden>
> ---
> migration.c | 1 -
> vl.c | 4 ++++
> 2 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/migration.c b/migration.c
> index 00fa1e3..1ce6b5c 100644
> --- a/migration.c
> +++ b/migration.c
> @@ -88,7 +88,6 @@ void process_incoming_migration(QEMUFile *f)
> fprintf(stderr, "load of migration failed\n");
> exit(0);
> }
> - qemu_announce_self();
> DPRINTF("successfully loaded vm state\n");
>
> /* Make sure all file formats flush their mutable metadata */
> diff --git a/vl.c b/vl.c
> index 65f11f2..4742b1b 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -1261,11 +1261,15 @@ void vm_state_notify(int running, RunState state)
> void vm_start(void)
> {
> if (!runstate_is_running()) {
> + RunState prev_run_state = current_run_state;
> cpu_enable_ticks();
> runstate_set(RUN_STATE_RUNNING);
> vm_state_notify(1, RUN_STATE_RUNNING);
> resume_all_vcpus();
> monitor_protocol_event(QEVENT_RESUME, NULL);
> + if (prev_run_state == RUN_STATE_INMIGRATE) {
> + qemu_announce_self();
> + }
> }
> }
>
>
I tihnk this won't work with -S, did you test it? Perhaps it's possible
simply to change
if (autostart) {
vm_start();
} else {
runstate_set(RUN_STATE_PRELAUNCH);
}
to remain in INMIGRATE state:
if (autostart) {
vm_start();
}
Otherwise looks good.
Paolo
- [Qemu-devel] [V5 PATCH 0/4] Send gratuitous packets by guest, Jason Wang, 2012/03/16
- [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start, Jason Wang, 2012/03/16
- Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start,
Paolo Bonzini <=
- Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start, Jason Wang, 2012/03/16
- Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start, Paolo Bonzini, 2012/03/16
- Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start, Jason Wang, 2012/03/16
- Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start, Paolo Bonzini, 2012/03/16
- Re: [Qemu-devel] [V5 PATCH 1/4] net: announce self after vm start, Jason Wang, 2012/03/18
[Qemu-devel] [V5 PATCH 2/4] net: model specific announcing support, Jason Wang, 2012/03/16
[Qemu-devel] [V5 PATCH 3/4] virtio-net: notify guest to annouce itself, Jason Wang, 2012/03/16
[Qemu-devel] [V5 PATCH 4/4] virtio-net: compat guest announce support., Jason Wang, 2012/03/16
Re: [Qemu-devel] [V5 PATCH 0/4] Send gratuitous packets by guest, Anthony Liguori, 2012/03/26