From nobody Tue Feb 10 06:26:35 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1639565281326728.4031429117352; Wed, 15 Dec 2021 02:48:01 -0800 (PST) Received: from localhost ([::1]:45194 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mxRpI-0006jE-CD for importer@patchew.org; Wed, 15 Dec 2021 05:48:00 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38786) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxRaY-000302-Vd for qemu-devel@nongnu.org; Wed, 15 Dec 2021 05:32:46 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:29494) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxRaV-0007IM-DV for qemu-devel@nongnu.org; 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bh=83Nyt1xN9XS4EHXfa4JfvSiSEFSSYn6/kwqYqVADLiA=; b=Ee4U4UKrMsvZnAus4FVGawZOLXVAuSyhM5lABR11CxUsDf0EBFb5v+ZSikhgwtYTZz6KGz 9ODTqJUlwH9hOc9olp1wSTUcru6NUbClb1hO3TzZdOrKKSbWxWQ1FJ2RachFJFw8PXArKG w/IG3YlIit9r6i7uLOO1XPJSlMnZeq0= X-MC-Unique: mPOTDhbkOjiHdLyTs_j93w-1 From: Juan Quintela To: qemu-devel@nongnu.org Subject: [PULL 08/18] migration: Never call twice qemu_target_page_size() Date: Wed, 15 Dec 2021 11:32:08 +0100 Message-Id: <20211215103218.17527-9-quintela@redhat.com> In-Reply-To: <20211215103218.17527-1-quintela@redhat.com> References: <20211215103218.17527-1-quintela@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=quintela@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.719, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Hailiang Zhang , "Dr. David Alan Gilbert" , Juan Quintela Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1639565281838100003 Content-Type: text/plain; charset="utf-8" Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- migration/migration.c | 7 ++++--- migration/multifd.c | 7 ++++--- migration/savevm.c | 5 +++-- 3 files changed, 11 insertions(+), 8 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index 2c1edb2cb9..3de11ae921 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -996,6 +996,8 @@ static void populate_time_info(MigrationInfo *info, Mig= rationState *s) =20 static void populate_ram_info(MigrationInfo *info, MigrationState *s) { + size_t page_size =3D qemu_target_page_size(); + info->has_ram =3D true; info->ram =3D g_malloc0(sizeof(*info->ram)); info->ram->transferred =3D ram_counters.transferred; @@ -1004,12 +1006,11 @@ static void populate_ram_info(MigrationInfo *info, = MigrationState *s) /* legacy value. It is not used anymore */ info->ram->skipped =3D 0; info->ram->normal =3D ram_counters.normal; - info->ram->normal_bytes =3D ram_counters.normal * - qemu_target_page_size(); + info->ram->normal_bytes =3D ram_counters.normal * page_size; info->ram->mbps =3D s->mbps; info->ram->dirty_sync_count =3D ram_counters.dirty_sync_count; info->ram->postcopy_requests =3D ram_counters.postcopy_requests; - info->ram->page_size =3D qemu_target_page_size(); + info->ram->page_size =3D page_size; info->ram->multifd_bytes =3D ram_counters.multifd_bytes; info->ram->pages_per_second =3D s->pages_per_second; =20 diff --git a/migration/multifd.c b/migration/multifd.c index 7c9deb1921..8125d0015c 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -289,7 +289,8 @@ static void multifd_send_fill_packet(MultiFDSendParams = *p) static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp) { MultiFDPacket_t *packet =3D p->packet; - uint32_t pages_max =3D MULTIFD_PACKET_SIZE / qemu_target_page_size(); + size_t page_size =3D qemu_target_page_size(); + uint32_t pages_max =3D MULTIFD_PACKET_SIZE / page_size; RAMBlock *block; int i; =20 @@ -358,14 +359,14 @@ static int multifd_recv_unfill_packet(MultiFDRecvPara= ms *p, Error **errp) for (i =3D 0; i < p->pages->used; i++) { uint64_t offset =3D be64_to_cpu(packet->offset[i]); =20 - if (offset > (block->used_length - qemu_target_page_size())) { + if (offset > (block->used_length - page_size)) { error_setg(errp, "multifd: offset too long %" PRIu64 " (max " RAM_ADDR_FMT ")", offset, block->used_length); return -1; } p->pages->iov[i].iov_base =3D block->host + offset; - p->pages->iov[i].iov_len =3D qemu_target_page_size(); + p->pages->iov[i].iov_len =3D page_size; } =20 return 0; diff --git a/migration/savevm.c b/migration/savevm.c index d59e976d50..0bef031acb 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1685,6 +1685,7 @@ static int loadvm_postcopy_handle_advise(MigrationInc= omingState *mis, { PostcopyState ps =3D postcopy_state_set(POSTCOPY_INCOMING_ADVISE); uint64_t remote_pagesize_summary, local_pagesize_summary, remote_tps; + size_t page_size =3D qemu_target_page_size(); Error *local_err =3D NULL; =20 trace_loadvm_postcopy_handle_advise(); @@ -1741,13 +1742,13 @@ static int loadvm_postcopy_handle_advise(MigrationI= ncomingState *mis, } =20 remote_tps =3D qemu_get_be64(mis->from_src_file); - if (remote_tps !=3D qemu_target_page_size()) { + if (remote_tps !=3D page_size) { /* * Again, some differences could be dealt with, but for now keep it * simple. */ error_report("Postcopy needs matching target page sizes (s=3D%d d= =3D%zd)", - (int)remote_tps, qemu_target_page_size()); + (int)remote_tps, page_size); return -1; } =20 --=20 2.33.1