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Mon, 3 Oct 2022 03:16:27 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.212]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8EFF340C206B; Mon, 3 Oct 2022 03:16:23 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: Alex Williamson , Eric Blake , Stefan Hajnoczi , Fam Zheng , qemu-s390x@nongnu.org, Cornelia Huck , Thomas Huth , Vladimir Sementsov-Ogievskiy , Laurent Vivier , John Snow , "Dr. David Alan Gilbert" , Christian Borntraeger , Halil Pasic , Juan Quintela , Paolo Bonzini , qemu-block@nongnu.org, Eric Farman , Richard Henderson , David Hildenbrand Subject: [RFC 6/7] migration: simplify migration_iteration_run() Date: Mon, 3 Oct 2022 05:15:59 +0200 Message-Id: <20221003031600.20084-7-quintela@redhat.com> In-Reply-To: <20221003031600.20084-1-quintela@redhat.com> References: <20221003031600.20084-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Juan Quintela --- migration/migration.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 97fefd579e..35e512887a 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3747,23 +3747,23 @@ static MigIterateState migration_iteration_run(MigrationState *s) trace_migrate_pending_exact(pending_size, s->threshold_size, pend_pre, pend_post); } - if (pending_size && pending_size >= s->threshold_size) { - /* Still a significant amount to transfer */ - if (!in_postcopy && pend_pre <= s->threshold_size && - qatomic_read(&s->start_postcopy)) { - if (postcopy_start(s)) { - error_report("%s: postcopy failed to start", __func__); - } - return MIG_ITERATE_SKIP; - } - /* Just another iteration step */ - qemu_savevm_state_iterate(s->to_dst_file, in_postcopy); - } else { + if (pending_size < s->threshold_size) { trace_migration_thread_low_pending(pending_size); migration_completion(s); return MIG_ITERATE_BREAK; } + /* Still a significant amount to transfer */ + if (!in_postcopy && pend_pre <= s->threshold_size && + qatomic_read(&s->start_postcopy)) { + if (postcopy_start(s)) { + error_report("%s: postcopy failed to start", __func__); + } + return MIG_ITERATE_SKIP; + } + + /* Just another iteration step */ + qemu_savevm_state_iterate(s->to_dst_file, in_postcopy); return MIG_ITERATE_RESUME; } -- 2.37.2