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Wed, 6 Sep 2023 08:09:02 -0700 From: Avihai Horon To: CC: Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_G?= =?utf-8?q?oater?= , Juan Quintela , Peter Xu , Leonardo Bras , Yanghang Liu , Avihai Horon Subject: [PATCH v3 3/6] migration: Move more initializations to migrate_init() Date: Wed, 6 Sep 2023 18:08:50 +0300 Message-ID: <20230906150853.22176-4-avihaih@nvidia.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20230906150853.22176-1-avihaih@nvidia.com> References: <20230906150853.22176-1-avihaih@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF0000343F:EE_|CH2PR12MB4972:EE_ X-MS-Office365-Filtering-Correlation-Id: b98e03f7-7cfa-4cd5-e3c7-08dbaeeb3ccb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160; 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envelope-from=avihaih@nvidia.com; helo=NAM02-DM3-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Initialization of mig_stats, compression_counters and VFIO bytes transferred is hard-coded in migration code path and snapshot code path. Make the code cleaner by initializing them in migrate_init(). Suggested-by: Cédric Le Goater Signed-off-by: Avihai Horon Reviewed-by: Cédric Le Goater --- migration/migration.c | 14 +++++++------- migration/savevm.c | 3 --- 2 files changed, 7 insertions(+), 10 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 92866a8f49..ce01a3ba6a 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1425,6 +1425,13 @@ void migrate_init(MigrationState *s) s->iteration_initial_bytes = 0; s->threshold_size = 0; s->switchover_acked = false; + /* + * set mig_stats compression_counters memory to zero for a + * new migration + */ + memset(&mig_stats, 0, sizeof(mig_stats)); + memset(&compression_counters, 0, sizeof(compression_counters)); + migration_reset_vfio_bytes_transferred(); } int migrate_add_blocker_internal(Error *reason, Error **errp) @@ -1635,13 +1642,6 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc, } migrate_init(s); - /* - * set mig_stats compression_counters memory to zero for a - * new migration - */ - memset(&mig_stats, 0, sizeof(mig_stats)); - memset(&compression_counters, 0, sizeof(compression_counters)); - migration_reset_vfio_bytes_transferred(); return true; } diff --git a/migration/savevm.c b/migration/savevm.c index 5bf8b59a7d..e14efeced0 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1620,9 +1620,6 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp) } migrate_init(ms); - memset(&mig_stats, 0, sizeof(mig_stats)); - memset(&compression_counters, 0, sizeof(compression_counters)); - migration_reset_vfio_bytes_transferred(); ms->to_dst_file = f; qemu_mutex_unlock_iothread();