From mboxrd@z Thu Jan 1 00:00:00 1970 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 B9B88C433F5 for ; Mon, 3 Oct 2022 03:18:00 +0000 (UTC) Received: from localhost ([::1]:60222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ofBxv-0007X6-Ov for qemu-devel@archiver.kernel.org; Sun, 02 Oct 2022 23:17:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58424) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ofBwG-0004m4-CQ for qemu-devel@nongnu.org; Sun, 02 Oct 2022 23:16:16 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:53339) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ofBwE-0007VF-A9 for qemu-devel@nongnu.org; Sun, 02 Oct 2022 23:16:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1664766973; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WHTJSU5p2ydUkpzgW9zTbZ4QQbzhLEXPeT5VNILWTYQ=; b=gxptliZLRWifEK10JpRqGQhLb7nZwsISjgZUBAR00cL5l+viPmh7ZUmRAZ2Wnv5xkZPrKh TEtxCmrCDu6Exy577Z/Lnu0rV7bEy9jdY3vaLgok42H9P/Hr1dVqG+1arV0GSZkdO7iL+g Z/YKvAL5ZcmABi5qxd5E9/9lSnkAg+U= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-614-7IqO6F2RPLWjbWAtVwuECA-1; Sun, 02 Oct 2022 23:16:09 -0400 X-MC-Unique: 7IqO6F2RPLWjbWAtVwuECA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2F84D101A528; Mon, 3 Oct 2022 03:16:09 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.212]) by smtp.corp.redhat.com (Postfix) with ESMTP id DBFC640C206B; Mon, 3 Oct 2022 03:16:05 +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 1/7] migration: Remove res_compatible parameter Date: Mon, 3 Oct 2022 05:15:54 +0200 Message-Id: <20221003031600.20084-2-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=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.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, RCVD_IN_DNSWL_NONE=-0.0001, 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" It was only used for RAM, and in that case, it means that this amount of data was sent for memory. Just delete the field in all callers. Signed-off-by: Juan Quintela --- include/migration/register.h | 20 ++++++++++---------- migration/savevm.h | 4 +--- hw/s390x/s390-stattrib.c | 6 ++---- hw/vfio/migration.c | 10 ++++------ migration/block-dirty-bitmap.c | 7 +++---- migration/block.c | 7 +++---- migration/migration.c | 9 ++++----- migration/ram.c | 8 +++----- migration/savevm.c | 14 +++++--------- hw/vfio/trace-events | 2 +- migration/trace-events | 2 +- 11 files changed, 37 insertions(+), 52 deletions(-) diff --git a/include/migration/register.h b/include/migration/register.h index c1dcff0f90..1950fee6a8 100644 --- a/include/migration/register.h +++ b/include/migration/register.h @@ -48,18 +48,18 @@ typedef struct SaveVMHandlers { int (*save_setup)(QEMUFile *f, void *opaque); void (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t threshold_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only); + uint64_t *rest_precopy, + uint64_t *rest_postcopy); /* Note for save_live_pending: - * - res_precopy_only is for data which must be migrated in precopy phase - * or in stopped state, in other words - before target vm start - * - res_compatible is for data which may be migrated in any phase - * - res_postcopy_only is for data which must be migrated in postcopy phase - * or in stopped state, in other words - after source vm stop + * - res_precopy is for data which must be migrated in precopy + * phase or in stopped state, in other words - before target + * vm start + * - res_postcopy is for data which must be migrated in postcopy + * phase or in stopped state, in other words - after source vm + * stop * - * Sum of res_postcopy_only, res_compatible and res_postcopy_only is the - * whole amount of pending data. + * Sum of res_precopy and res_postcopy is the whole amount of + * pending data. */ diff --git a/migration/savevm.h b/migration/savevm.h index 6461342cb4..9bd55c336c 100644 --- a/migration/savevm.h +++ b/migration/savevm.h @@ -41,9 +41,7 @@ void qemu_savevm_state_complete_postcopy(QEMUFile *f); int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, bool inactivate_disks); void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only); + uint64_t *res_precopy, uint64_t *res_postcopy); void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); void qemu_savevm_send_open_return_path(QEMUFile *f); int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len); diff --git a/hw/s390x/s390-stattrib.c b/hw/s390x/s390-stattrib.c index 9eda1c3b2a..ee60b53da4 100644 --- a/hw/s390x/s390-stattrib.c +++ b/hw/s390x/s390-stattrib.c @@ -183,16 +183,14 @@ static int cmma_save_setup(QEMUFile *f, void *opaque) } static void cmma_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) + uint64_t *res_precopy, uint64_t *res_postcopy) { S390StAttribState *sas = S390_STATTRIB(opaque); S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas); long long res = sac->get_dirtycount(sas); if (res >= 0) { - *res_precopy_only += res; + *res_precopy += res; } } diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c index 3de4252111..3423f113f0 100644 --- a/hw/vfio/migration.c +++ b/hw/vfio/migration.c @@ -458,9 +458,8 @@ static void vfio_save_cleanup(void *opaque) static void vfio_save_pending(QEMUFile *f, void *opaque, uint64_t threshold_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) + uint64_t *res_precopy, + uint64_t *res_postcopy) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; @@ -471,10 +470,9 @@ static void vfio_save_pending(QEMUFile *f, void *opaque, return; } - *res_precopy_only += migration->pending_bytes; + *res_precopy += migration->pending_bytes; - trace_vfio_save_pending(vbasedev->name, *res_precopy_only, - *res_postcopy_only, *res_compatible); + trace_vfio_save_pending(vbasedev->name, *res_precopy, *res_postcopy); } static int vfio_save_iterate(QEMUFile *f, void *opaque) diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c index 9aba7d9c22..dfea546330 100644 --- a/migration/block-dirty-bitmap.c +++ b/migration/block-dirty-bitmap.c @@ -763,9 +763,8 @@ static int dirty_bitmap_save_complete(QEMUFile *f, void *opaque) static void dirty_bitmap_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) + uint64_t *res_precopy, + uint64_t *res_postcopy) { DBMSaveState *s = &((DBMState *)opaque)->save; SaveBitmapState *dbms; @@ -785,7 +784,7 @@ static void dirty_bitmap_save_pending(QEMUFile *f, void *opaque, trace_dirty_bitmap_save_pending(pending, max_size); - *res_postcopy_only += pending; + *res_postcopy += pending; } /* First occurrence of this bitmap. It should be created if doesn't exist */ diff --git a/migration/block.c b/migration/block.c index 3577c815a9..4ae8f837b0 100644 --- a/migration/block.c +++ b/migration/block.c @@ -863,9 +863,8 @@ static int block_save_complete(QEMUFile *f, void *opaque) } static void block_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) + uint64_t *res_precopy, + uint64_t *res_postcopy) { /* Estimate pending number of bytes to send */ uint64_t pending; @@ -886,7 +885,7 @@ static void block_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, trace_migration_block_save_pending(pending); /* We don't do postcopy */ - *res_precopy_only += pending; + *res_precopy += pending; } static int block_load(QEMUFile *f, void *opaque, int version_id) diff --git a/migration/migration.c b/migration/migration.c index bb8bbddfe4..440aa62f16 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3734,15 +3734,14 @@ typedef enum { */ static MigIterateState migration_iteration_run(MigrationState *s) { - uint64_t pending_size, pend_pre, pend_compat, pend_post; + uint64_t pending_size, pend_pre, pend_post; bool in_postcopy = s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE; qemu_savevm_state_pending(s->to_dst_file, s->threshold_size, &pend_pre, - &pend_compat, &pend_post); - pending_size = pend_pre + pend_compat + pend_post; + &pend_post); + pending_size = pend_pre + pend_post; - trace_migrate_pending(pending_size, s->threshold_size, - pend_pre, pend_compat, pend_post); + trace_migrate_pending(pending_size, s->threshold_size, pend_pre, pend_post); if (pending_size && pending_size >= s->threshold_size) { /* Still a significant amount to transfer */ diff --git a/migration/ram.c b/migration/ram.c index dc1de9ddbc..20167e1102 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -3435,9 +3435,7 @@ static int ram_save_complete(QEMUFile *f, void *opaque) } static void ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) + uint64_t *res_precopy, uint64_t *res_postcopy) { RAMState **temp = opaque; RAMState *rs = *temp; @@ -3457,9 +3455,9 @@ static void ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, if (migrate_postcopy_ram()) { /* We can do postcopy, and all the data is postcopiable */ - *res_compatible += remaining_size; + *res_postcopy += remaining_size; } else { - *res_precopy_only += remaining_size; + *res_precopy += remaining_size; } } diff --git a/migration/savevm.c b/migration/savevm.c index 48e85c052c..a752ff9ea1 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1472,16 +1472,13 @@ flush: * for units that can't do postcopy. */ void qemu_savevm_state_pending(QEMUFile *f, uint64_t threshold_size, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) + uint64_t *res_precopy, + uint64_t *res_postcopy) { SaveStateEntry *se; - *res_precopy_only = 0; - *res_compatible = 0; - *res_postcopy_only = 0; - + *res_precopy = 0; + *res_postcopy = 0; QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { if (!se->ops || !se->ops->save_live_pending) { @@ -1493,8 +1490,7 @@ void qemu_savevm_state_pending(QEMUFile *f, uint64_t threshold_size, } } se->ops->save_live_pending(f, se->opaque, threshold_size, - res_precopy_only, res_compatible, - res_postcopy_only); + res_precopy, res_postcopy); } } diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events index 73dffe9e00..a21cbd2a56 100644 --- a/hw/vfio/trace-events +++ b/hw/vfio/trace-events @@ -157,7 +157,7 @@ vfio_save_cleanup(const char *name) " (%s)" vfio_save_buffer(const char *name, uint64_t data_offset, uint64_t data_size, uint64_t pending) " (%s) Offset 0x%"PRIx64" size 0x%"PRIx64" pending 0x%"PRIx64 vfio_update_pending(const char *name, uint64_t pending) " (%s) pending 0x%"PRIx64 vfio_save_device_config_state(const char *name) " (%s)" -vfio_save_pending(const char *name, uint64_t precopy, uint64_t postcopy, uint64_t compatible) " (%s) precopy 0x%"PRIx64" postcopy 0x%"PRIx64" compatible 0x%"PRIx64 +vfio_save_pending(const char *name, uint64_t precopy, uint64_t postcopy) " (%s) precopy 0x%"PRIx64" postcopy 0x%"PRIx64 vfio_save_iterate(const char *name, int data_size) " (%s) data_size %d" vfio_save_complete_precopy(const char *name) " (%s)" vfio_load_device_config_state(const char *name) " (%s)" diff --git a/migration/trace-events b/migration/trace-events index 57003edcbd..f2a873fd6c 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -150,7 +150,7 @@ migrate_fd_cleanup(void) "" migrate_fd_error(const char *error_desc) "error=%s" migrate_fd_cancel(void) "" migrate_handle_rp_req_pages(const char *rbname, size_t start, size_t len) "in %s at 0x%zx len 0x%zx" -migrate_pending(uint64_t size, uint64_t max, uint64_t pre, uint64_t compat, uint64_t post) "pending size %" PRIu64 " max %" PRIu64 " (pre = %" PRIu64 " compat=%" PRIu64 " post=%" PRIu64 ")" +migrate_pending(uint64_t size, uint64_t max, uint64_t pre, uint64_t post) "pending size %" PRIu64 " max %" PRIu64 " (pre = %" PRIu64 " post=%" PRIu64 ")" migrate_send_rp_message(int msg_type, uint16_t len) "%d: len %d" migrate_send_rp_recv_bitmap(char *name, int64_t size) "block '%s' size 0x%"PRIi64 migration_completion_file_err(void) "" -- 2.37.2