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 D143CECAAA1 for ; Thu, 15 Sep 2022 20:51:19 +0000 (UTC) Received: from localhost ([::1]:37702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oYvpO-0002Hb-Qd for qemu-devel@archiver.kernel.org; Thu, 15 Sep 2022 16:51:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYvhp-0001sV-8b for qemu-devel@nongnu.org; Thu, 15 Sep 2022 16:43:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:29313) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oYvhl-0000Hw-9h for qemu-devel@nongnu.org; Thu, 15 Sep 2022 16:43:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1663274604; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0Z+5fmumy5asIdfQBec+GTyjJvjDB+kQ+29O0ptc0l0=; b=W0CcRDsfRq0mO0jk3q6y+IL1uhXi0K5rysnjAY26B/6iem8sraE+3PVroCn6cewjzCHH2e JUiy7c7XA0TTvFhU5AruWgzXK74cztHcOLC7CAqFHgq9sNRnbLX+MIdRQv247y9KEqyBuR uz+JQOAFpCUm3OIKDP8Et7ZZyANiPHY= 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-367-Uf2NXTeRPnubzIQF1qfZHA-1; Thu, 15 Sep 2022 16:43:23 -0400 X-MC-Unique: Uf2NXTeRPnubzIQF1qfZHA-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 D3E83101A52A; Thu, 15 Sep 2022 20:43:22 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.192.163]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 88FCB40C83EF; Thu, 15 Sep 2022 20:43:22 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 02C0B21E66D1; Thu, 15 Sep 2022 22:43:18 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Cc: michael.roth@amd.com, jsnow@redhat.com, eblake@redhat.com, Juan Quintela , "Dr . David Alan Gilbert" Subject: [PATCH 14/27] qapi migration: Elide redundant has_FOO in generated C Date: Thu, 15 Sep 2022 22:43:04 +0200 Message-Id: <20220915204317.3766007-15-armbru@redhat.com> In-Reply-To: <20220915204317.3766007-1-armbru@redhat.com> References: <20220915204317.3766007-1-armbru@redhat.com> MIME-Version: 1.0 Content-type: text/plain 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=armbru@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=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The has_FOO for pointer-valued FOO are redundant, except for arrays. They are also a nuisance to work with. Recent commit "qapi: Start to elide redundant has_FOO in generated C" provided the means to elide them step by step. This is the step for qapi/migration.json. Said commit explains the transformation in more detail. The invariant violations mentioned there do not occur here. Cc: Juan Quintela Cc: Dr. David Alan Gilbert Signed-off-by: Markus Armbruster --- migration/block-dirty-bitmap.c | 4 ++-- migration/colo.c | 1 - migration/migration.c | 27 ++++++++------------------- monitor/hmp-cmds.c | 26 +++++++++++--------------- monitor/misc.c | 2 +- scripts/qapi/schema.py | 1 - 6 files changed, 22 insertions(+), 39 deletions(-) diff --git a/migration/block-dirty-bitmap.c b/migration/block-dirty-bitmap.c index 9aba7d9c22..283017d7d3 100644 --- a/migration/block-dirty-bitmap.c +++ b/migration/block-dirty-bitmap.c @@ -551,7 +551,7 @@ static int add_bitmaps_to_list(DBMSaveState *s, BlockDriverState *bs, } bitmap_alias = bmap_inner->alias; - if (bmap_inner->has_transform) { + if (bmap_inner->transform) { bitmap_transform = bmap_inner->transform; } } else { @@ -821,7 +821,7 @@ static int dirty_bitmap_load_start(QEMUFile *f, DBMLoadState *s) } if (s->bmap_inner && - s->bmap_inner->has_transform && + s->bmap_inner->transform && s->bmap_inner->transform->has_persistent) { persistent = s->bmap_inner->transform->persistent; } else { diff --git a/migration/colo.c b/migration/colo.c index 2b71722fd6..232c8d44b1 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -250,7 +250,6 @@ ReplicationStatus *qmp_query_xen_replication_status(Error **errp) replication_get_error_all(&err); if (err) { s->error = true; - s->has_desc = true; s->desc = g_strdup(error_get_pretty(err)); } else { s->error = false; diff --git a/migration/migration.c b/migration/migration.c index bb8bbddfe4..3a73f7122e 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -917,11 +917,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) params->cpu_throttle_increment = s->parameters.cpu_throttle_increment; params->has_cpu_throttle_tailslow = true; params->cpu_throttle_tailslow = s->parameters.cpu_throttle_tailslow; - params->has_tls_creds = true; params->tls_creds = g_strdup(s->parameters.tls_creds); - params->has_tls_hostname = true; params->tls_hostname = g_strdup(s->parameters.tls_hostname); - params->has_tls_authz = true; params->tls_authz = g_strdup(s->parameters.tls_authz ? s->parameters.tls_authz : ""); params->has_max_bandwidth = true; @@ -1046,7 +1043,6 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) { size_t page_size = qemu_target_page_size(); - info->has_ram = true; info->ram = g_malloc0(sizeof(*info->ram)); info->ram->transferred = ram_counters.transferred; info->ram->total = ram_bytes_total(); @@ -1068,7 +1064,6 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) info->ram->postcopy_bytes = ram_counters.postcopy_bytes; if (migrate_use_xbzrle()) { - info->has_xbzrle_cache = true; info->xbzrle_cache = g_malloc0(sizeof(*info->xbzrle_cache)); info->xbzrle_cache->cache_size = migrate_xbzrle_cache_size(); info->xbzrle_cache->bytes = xbzrle_counters.bytes; @@ -1080,7 +1075,6 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) } if (migrate_use_compression()) { - info->has_compression = true; info->compression = g_malloc0(sizeof(*info->compression)); info->compression->pages = compression_counters.pages; info->compression->busy = compression_counters.busy; @@ -1105,7 +1099,6 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) static void populate_disk_info(MigrationInfo *info) { if (blk_mig_active()) { - info->has_disk = true; info->disk = g_malloc0(sizeof(*info->disk)); info->disk->transferred = blk_mig_bytes_transferred(); info->disk->remaining = blk_mig_bytes_remaining(); @@ -1170,7 +1163,6 @@ static void fill_source_migration_info(MigrationInfo *info) case MIGRATION_STATUS_FAILED: info->has_status = true; if (s->error) { - info->has_error_desc = true; info->error_desc = g_strdup(error_get_pretty(s->error)); } break; @@ -1556,7 +1548,7 @@ static bool migrate_params_check(MigrationParameters *params, Error **errp) #ifdef CONFIG_LINUX if (migrate_use_zero_copy_send() && ((params->has_multifd_compression && params->multifd_compression) || - (params->has_tls_creds && params->tls_creds && *params->tls_creds))) { + (params->tls_creds && params->tls_creds && *params->tls_creds))) { error_setg(errp, "Zero copy only available for non-compressed non-TLS multifd migration"); return false; @@ -1605,12 +1597,12 @@ static void migrate_params_test_apply(MigrateSetParameters *params, dest->cpu_throttle_tailslow = params->cpu_throttle_tailslow; } - if (params->has_tls_creds) { + if (params->tls_creds) { assert(params->tls_creds->type == QTYPE_QSTRING); dest->tls_creds = params->tls_creds->u.s; } - if (params->has_tls_hostname) { + if (params->tls_hostname) { assert(params->tls_hostname->type == QTYPE_QSTRING); dest->tls_hostname = params->tls_hostname->u.s; } @@ -1702,19 +1694,19 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp) s->parameters.cpu_throttle_tailslow = params->cpu_throttle_tailslow; } - if (params->has_tls_creds) { + if (params->tls_creds) { g_free(s->parameters.tls_creds); assert(params->tls_creds->type == QTYPE_QSTRING); s->parameters.tls_creds = g_strdup(params->tls_creds->u.s); } - if (params->has_tls_hostname) { + if (params->tls_hostname) { g_free(s->parameters.tls_hostname); assert(params->tls_hostname->type == QTYPE_QSTRING); s->parameters.tls_hostname = g_strdup(params->tls_hostname->u.s); } - if (params->has_tls_authz) { + if (params->tls_authz) { g_free(s->parameters.tls_authz); assert(params->tls_authz->type == QTYPE_QSTRING); s->parameters.tls_authz = g_strdup(params->tls_authz->u.s); @@ -1791,14 +1783,14 @@ void qmp_migrate_set_parameters(MigrateSetParameters *params, Error **errp) MigrationParameters tmp; /* TODO Rewrite "" to null instead */ - if (params->has_tls_creds + if (params->tls_creds && params->tls_creds->type == QTYPE_QNULL) { qobject_unref(params->tls_creds->u.n); params->tls_creds->type = QTYPE_QSTRING; params->tls_creds->u.s = strdup(""); } /* TODO Rewrite "" to null instead */ - if (params->has_tls_hostname + if (params->tls_hostname && params->tls_hostname->type == QTYPE_QNULL) { qobject_unref(params->tls_hostname->u.n); params->tls_hostname->type = QTYPE_QSTRING; @@ -4473,9 +4465,6 @@ static void migration_instance_init(Object *obj) params->has_announce_max = true; params->has_announce_rounds = true; params->has_announce_step = true; - params->has_tls_creds = true; - params->has_tls_hostname = true; - params->has_tls_authz = true; qemu_sem_init(&ms->postcopy_pause_sem, 0); qemu_sem_init(&ms->postcopy_pause_rp_sem, 0); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 134c29698c..6ed9628071 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -238,8 +238,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) if (info->has_status) { monitor_printf(mon, "Migration status: %s", MigrationStatus_str(info->status)); - if (info->status == MIGRATION_STATUS_FAILED && - info->has_error_desc) { + if (info->status == MIGRATION_STATUS_FAILED && info->error_desc) { monitor_printf(mon, " (%s)\n", info->error_desc); } else { monitor_printf(mon, "\n"); @@ -261,7 +260,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) } } - if (info->has_ram) { + if (info->ram) { monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n", info->ram->transferred >> 10); monitor_printf(mon, "throughput: %0.2f mbps\n", @@ -314,7 +313,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) } } - if (info->has_disk) { + if (info->disk) { monitor_printf(mon, "transferred disk: %" PRIu64 " kbytes\n", info->disk->transferred >> 10); monitor_printf(mon, "remaining disk: %" PRIu64 " kbytes\n", @@ -323,7 +322,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) info->disk->total >> 10); } - if (info->has_xbzrle_cache) { + if (info->xbzrle_cache) { monitor_printf(mon, "cache size: %" PRIu64 " bytes\n", info->xbzrle_cache->cache_size); monitor_printf(mon, "xbzrle transferred: %" PRIu64 " kbytes\n", @@ -340,7 +339,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) info->xbzrle_cache->overflow); } - if (info->has_compression) { + if (info->compression) { monitor_printf(mon, "compression pages: %" PRIu64 " pages\n", info->compression->pages); monitor_printf(mon, "compression busy: %" PRIu64 "\n", @@ -387,7 +386,7 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict) monitor_printf(mon, "]\n"); } - if (info->has_vfio) { + if (info->vfio) { monitor_printf(mon, "vfio device transferred: %" PRIu64 " kbytes\n", info->vfio->transferred >> 10); } @@ -467,11 +466,11 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict) monitor_printf(mon, "%s: %u\n", MigrationParameter_str(MIGRATION_PARAMETER_MAX_CPU_THROTTLE), params->max_cpu_throttle); - assert(params->has_tls_creds); + assert(params->tls_creds); monitor_printf(mon, "%s: '%s'\n", MigrationParameter_str(MIGRATION_PARAMETER_TLS_CREDS), params->tls_creds); - assert(params->has_tls_hostname); + assert(params->tls_hostname); monitor_printf(mon, "%s: '%s'\n", MigrationParameter_str(MIGRATION_PARAMETER_TLS_HOSTNAME), params->tls_hostname); @@ -1256,19 +1255,16 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict) visit_type_uint8(v, param, &p->max_cpu_throttle, &err); break; case MIGRATION_PARAMETER_TLS_CREDS: - p->has_tls_creds = true; p->tls_creds = g_new0(StrOrNull, 1); p->tls_creds->type = QTYPE_QSTRING; visit_type_str(v, param, &p->tls_creds->u.s, &err); break; case MIGRATION_PARAMETER_TLS_HOSTNAME: - p->has_tls_hostname = true; p->tls_hostname = g_new0(StrOrNull, 1); p->tls_hostname->type = QTYPE_QSTRING; visit_type_str(v, param, &p->tls_hostname->u.s, &err); break; case MIGRATION_PARAMETER_TLS_AUTHZ: - p->has_tls_authz = true; p->tls_authz = g_new0(StrOrNull, 1); p->tls_authz->type = QTYPE_QSTRING; visit_type_str(v, param, &p->tls_authz->u.s, &err); @@ -1380,7 +1376,7 @@ void hmp_client_migrate_info(Monitor *mon, const QDict *qdict) qmp_client_migrate_info(protocol, hostname, has_port, port, has_tls_port, tls_port, - !!cert_subject, cert_subject, &err); + cert_subject, &err); hmp_handle_error(mon, err); } @@ -1538,7 +1534,7 @@ static void hmp_migrate_status_cb(void *opaque) info = qmp_query_migrate(NULL); if (!info->has_status || info->status == MIGRATION_STATUS_ACTIVE || info->status == MIGRATION_STATUS_SETUP) { - if (info->has_disk) { + if (info->disk) { int progress; if (info->disk->remaining) { @@ -1556,7 +1552,7 @@ static void hmp_migrate_status_cb(void *opaque) if (status->is_block_migration) { monitor_printf(status->mon, "\n"); } - if (info->has_error_desc) { + if (info->error_desc) { error_report("%s", info->error_desc); } monitor_resume(status->mon); diff --git a/monitor/misc.c b/monitor/misc.c index 3d2312ba8d..f18ae681da 100644 --- a/monitor/misc.c +++ b/monitor/misc.c @@ -391,7 +391,7 @@ static void hmp_info_trace_events(Monitor *mon, const QDict *qdict) void qmp_client_migrate_info(const char *protocol, const char *hostname, bool has_port, int64_t port, bool has_tls_port, int64_t tls_port, - bool has_cert_subject, const char *cert_subject, + const char *cert_subject, Error **errp) { if (strcmp(protocol, "spice") == 0) { diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index 1bc5b9f29d..94f97be53c 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -759,7 +759,6 @@ def need_has(self): assert self.type # Temporary hack to support dropping the has_FOO in reviewable chunks opt_out = [ - 'qapi/migration.json', 'qapi/misc.json', 'qapi/net.json', 'qapi/pci.json', -- 2.37.2