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Re: [Qemu-devel] [PATCH] migration/colo.c: Fix compilation issue when di
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH] migration/colo.c: Fix compilation issue when disable replication |
Date: |
Wed, 31 Oct 2018 16:47:03 +0000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
* Dr. David Alan Gilbert (address@hidden) wrote:
> * Zhang Chen (address@hidden) wrote:
> > This compilation issue will occur when user use --disable-replication
> > to config Qemu.
> >
> > Reported-by: Thomas Huth <address@hidden>
> > Signed-off-by: Zhang Chen <address@hidden>
>
> Queued.
Unqueued; this still isn't building for me with replication disabled;
I'm hitting one problem where the compiler is complaining that
colo_send_message_value is unused, and then I'm hitting a bunch of link
time errors.
This needs a few more fixes first.
Dave
> > ---
> > migration/colo.c | 18 +++++++++++++++++-
> > 1 file changed, 17 insertions(+), 1 deletion(-)
> >
> > diff --git a/migration/colo.c b/migration/colo.c
> > index 956ac236b7..b81e6ec5bb 100644
> > --- a/migration/colo.c
> > +++ b/migration/colo.c
> > @@ -59,6 +59,8 @@ static bool colo_runstate_is_stopped(void)
> >
> > static void secondary_vm_do_failover(void)
> > {
> > +/* COLO needs enable block-replication */
> > +#ifdef CONFIG_REPLICATION
> > int old_state;
> > MigrationIncomingState *mis = migration_incoming_get_current();
> > Error *local_err = NULL;
> > @@ -121,10 +123,14 @@ static void secondary_vm_do_failover(void)
> > if (mis->migration_incoming_co) {
> > qemu_coroutine_enter(mis->migration_incoming_co);
> > }
> > +#else
> > + abort();
> > +#endif
> > }
> >
> > static void primary_vm_do_failover(void)
> > {
> > +#ifdef CONFIG_REPLICATION
> > MigrationState *s = migrate_get_current();
> > int old_state;
> > Error *local_err = NULL;
> > @@ -165,6 +171,9 @@ static void primary_vm_do_failover(void)
> >
> > /* Notify COLO thread that failover work is finished */
> > qemu_sem_post(&s->colo_exit_sem);
> > +#else
> > + abort();
> > +#endif
> > }
> >
> > COLOMode get_colo_mode(void)
> > @@ -373,6 +382,7 @@ static int
> > colo_do_checkpoint_transaction(MigrationState *s,
> > QIOChannelBuffer *bioc,
> > QEMUFile *fb)
> > {
> > +#ifdef CONFIG_REPLICATION
> > Error *local_err = NULL;
> > int ret = -1;
> >
> > @@ -483,6 +493,9 @@ out:
> > error_report_err(local_err);
> > }
> > return ret;
> > +#else
> > + abort();
> > +#endif
> > }
> >
> > static void colo_compare_notify_checkpoint(Notifier *notifier, void *data)
> > @@ -790,13 +803,16 @@ void *colo_process_incoming_thread(void *opaque)
> > qemu_mutex_unlock_iothread();
> > goto out;
> > }
> > +#ifdef CONFIG_REPLICATION
> > /* discard colo disk buffer */
> > replication_do_checkpoint_all(&local_err);
> > if (local_err) {
> > qemu_mutex_unlock_iothread();
> > goto out;
> > }
> > -
> > +#else
> > + abort();
> > +#endif
> > /* Notify all filters of all NIC to do checkpoint */
> > colo_notify_filters_event(COLO_EVENT_CHECKPOINT, &local_err);
> >
> > --
> > 2.17.GIT
> >
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK