Li Zhijian via <qemu-devel@nongnu.org> writes:
> Currently, it always returns 0, no need to check the return value at all.
> In addition, enter colo coroutine only if migration_incoming_colo_enabled()
> is true.
> Once the destination side enters the COLO* state, the COLO process will
> take over the remaining processes until COLO exits.
>
> Signed-off-by: Li Zhijian <lizhij...@fujitsu.com>
> ---
> migration/colo.c | 9 ++-------
> migration/migration.c | 6 +++---
> 2 files changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/migration/colo.c b/migration/colo.c
> index 5600a43d78..991806c06a 100644
> --- a/migration/colo.c
> +++ b/migration/colo.c
> @@ -929,16 +929,13 @@ out:
> return NULL;
> }
>
> -int coroutine_fn colo_incoming_co(void)
> +void coroutine_fn colo_incoming_co(void)
> {
> MigrationIncomingState *mis = migration_incoming_get_current();
> QemuThread th;
>
> assert(bql_locked());
> -
> - if (!migration_incoming_colo_enabled()) {
> - return 0;
> - }
> + assert(migration_incoming_colo_enabled());
FAILED: libcommon.fa.p/migration_colo.c.o
/usr/bin/gcc-13 ... ../migration/colo.c
../migration/colo.c:930:19: error: conflicting types for ‘colo_incoming_co’;
have ‘void(void)’
930 | void coroutine_fn colo_incoming_co(void)
| ^~~~~~~~~~~~~~~~
In file included from ../migration/colo.c:20:
... qemu/include/migration/colo.h:52:18: note: previous declaration of
‘colo_incoming_co’ with type ‘int(void)’
52 | int coroutine_fn colo_incoming_co(void);
| ^~~~~~~~~~~~~~~~
