From patchwork Mon Sep 11 07:50:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 13378928 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E12BCEE7FF4 for ; Mon, 11 Sep 2023 07:51:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfbgz-00048R-KF; Mon, 11 Sep 2023 03:50:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qfbgt-000438-JA for qemu-devel@nongnu.org; Mon, 11 Sep 2023 03:50:39 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qfbgq-0008Ej-T3 for qemu-devel@nongnu.org; Mon, 11 Sep 2023 03:50:39 -0400 Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4Rkf5j44F7z4xFd; Mon, 11 Sep 2023 17:50:33 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Rkf5h09zrz4xM4; Mon, 11 Sep 2023 17:50:31 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Avihai Horon , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PULL 09/13] migration: Move more initializations to migrate_init() Date: Mon, 11 Sep 2023 09:50:04 +0200 Message-ID: <20230911075008.462712-10-clg@redhat.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230911075008.462712-1-clg@redhat.com> References: <20230911075008.462712-1-clg@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=GLJ6=E3=redhat.com=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Avihai Horon 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 Signed-off-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 92866a8f49d3a7d24028198defb15c5d4d86726e..ce01a3ba6af72aa35063f88355349ec739708d4a 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 5bf8b59a7dfc243eb353674bdef8083d441797e3..e14efeced0fb8e4b2dc2b7799f5612799f185170 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();