Message ID | 20181024163529.15665-1-zhangckid@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | migration/colo.c: Fix compilation issue when disable replication | expand |
* Zhang Chen (zhangckid@gmail.com) wrote: > This compilation issue will occur when user use --disable-replication > to config Qemu. > > Reported-by: Thomas Huth <thuth@redhat.com> > Signed-off-by: Zhang Chen <zhangckid@gmail.com> OK; do we need to add a check to migrate_caps_check to stop you enabling colo in this case? Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > --- > 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 / dgilbert@redhat.com / Manchester, UK
* Zhang Chen (zhangckid@gmail.com) wrote: > This compilation issue will occur when user use --disable-replication > to config Qemu. > > Reported-by: Thomas Huth <thuth@redhat.com> > Signed-off-by: Zhang Chen <zhangckid@gmail.com> Queued. > --- > 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 / dgilbert@redhat.com / Manchester, UK
* Dr. David Alan Gilbert (dgilbert@redhat.com) wrote: > * Zhang Chen (zhangckid@gmail.com) wrote: > > This compilation issue will occur when user use --disable-replication > > to config Qemu. > > > > Reported-by: Thomas Huth <thuth@redhat.com> > > Signed-off-by: Zhang Chen <zhangckid@gmail.com> > > 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 / dgilbert@redhat.com / Manchester, UK -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
On Thu, Nov 1, 2018 at 12:47 AM Dr. David Alan Gilbert <dgilbert@redhat.com> wrote: > * Dr. David Alan Gilbert (dgilbert@redhat.com) wrote: > > * Zhang Chen (zhangckid@gmail.com) wrote: > > > This compilation issue will occur when user use --disable-replication > > > to config Qemu. > > > > > > Reported-by: Thomas Huth <thuth@redhat.com> > > > Signed-off-by: Zhang Chen <zhangckid@gmail.com> > > > > 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. > Sorry, my test machine's gcc version(5.4.0) is too old to catch this error. I will fix it and send the V2 patch. Thanks Zhang Chen > > 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 / dgilbert@redhat.com / Manchester, UK > -- > Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK >
On Wed, Oct 31, 2018 at 3:54 AM Dr. David Alan Gilbert <dgilbert@redhat.com> wrote: > * Zhang Chen (zhangckid@gmail.com) wrote: > > This compilation issue will occur when user use --disable-replication > > to config Qemu. > > > > Reported-by: Thomas Huth <thuth@redhat.com> > > Signed-off-by: Zhang Chen <zhangckid@gmail.com> > > OK; do we need to add a check to migrate_caps_check to stop you enabling > colo in this case? > > Make sense, I will send another patch latter. Thanks Zhang Chen > > Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > > > --- > > 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 / dgilbert@redhat.com / Manchester, UK >
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);
This compilation issue will occur when user use --disable-replication to config Qemu. Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Zhang Chen <zhangckid@gmail.com> --- migration/colo.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)