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migration: Cleanup postcopy_preempt_setup()

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Since we just dropped the only case where postcopy_preempt_setup() can
return an error, it doesn't need a retval anymore because it never fails.
Move the preempt check to the caller, preparing it to be used elsewhere to
do nothing but as simple as kicking the async connection.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Xu 2023-02-08 15:28:11 -05:00 • committed by Juan Quintela
parent d6f74fd12e
commit fc063a7b8a
3 changed files with 4 additions and 14 deletions
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2
migration/postcopy-ram.h
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@ -191,7 +191,7 @@ enum PostcopyChannels {
};
void postcopy_preempt_new_channel(MigrationIncomingState *mis, QEMUFile *file);
int postcopy_preempt_setup(MigrationState *s, Error **errp);
void postcopy_preempt_setup(MigrationState *s);
int postcopy_preempt_wait_channel(MigrationState *s);
#endif