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GET /api/patches/2177612/?format=api
{ "id": 2177612, "url": "http://patchwork.ozlabs.org/api/patches/2177612/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251226211930.27565-5-farosas@suse.de/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20251226211930.27565-5-farosas@suse.de>", "list_archive_url": null, "date": "2025-12-26T21:19:06", "name": "[RFC,04/25] migration: Move multifd_recv_setup call", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "96fbb518feae68cde0f696a983932b2ac6275840", "submitter": { "id": 85343, "url": "http://patchwork.ozlabs.org/api/people/85343/?format=api", "name": "Fabiano Rosas", "email": "farosas@suse.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251226211930.27565-5-farosas@suse.de/mbox/", "series": [ { "id": 486505, "url": "http://patchwork.ozlabs.org/api/series/486505/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=486505", "date": "2025-12-26T21:19:04", "name": "migration: Cleanup early connection code", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/486505/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2177612/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2177612/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256\n header.s=susede2_rsa header.b=IdqFcZr5;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=AgPrkurx;\n\tdkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de\n header.a=rsa-sha256 header.s=susede2_rsa header.b=FSHdoXdW;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=rYUldyIs;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Fri, 26 Dec 2025 21:19:39 +0000" ], "DKIM-Signature": [ "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1766783981;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=oCWOcmRaggOLrfO9cnMOTOEkRgtGI7Vl4EU7819u5a8=;\n b=IdqFcZr5+MPiPCj3VF4GetVymenoy3xda7zRqDSQinQp7V9TYtuKSFIrXoS1bP6GyVu/Mg\n WHIk9bR3RIx2WzhWm4WIhAZtJ5+Tzv0RRrHR+O1TqWyZrdvPigvTzh1YLt6G/w/Fcunc5r\n 5NBoJlacMBHKx+zmRLlsk1dxVlv36Ak=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1766783981;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=oCWOcmRaggOLrfO9cnMOTOEkRgtGI7Vl4EU7819u5a8=;\n b=AgPrkurx0ai7MdeK7XX7jSJhBAXX+nIp4NK6jhTPz0ARmT/QgoFTop6puPCJurlcEyfX1V\n JmXa/o99I6KeMnCw==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1766783980;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=oCWOcmRaggOLrfO9cnMOTOEkRgtGI7Vl4EU7819u5a8=;\n b=FSHdoXdWE5tlwxyJeYbVKc3QhRYk1ZWNPKI1RF5YqiLpwpEAaURBGGoaO5llE3t/sRJD1r\n 5zp3WbUCRsKq5wF43k5O7RDKmmdqr+mskUYxGvyBqELJJTXvJzE8AeuhW/lppy0B92lHej\n 4YV+7DInzS7NiUni3YNWqHRbkoJlj2k=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1766783980;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=oCWOcmRaggOLrfO9cnMOTOEkRgtGI7Vl4EU7819u5a8=;\n b=rYUldyIslehrZlqLuVMqHA6hf0OOINny/BkwISjZeS4Pm3IXXOaxkYSIa+mGzHpHeUlcrm\n HC82OMoXyLFdQfDg==" ], "From": "Fabiano Rosas <farosas@suse.de>", "To": "qemu-devel@nongnu.org", "Cc": "peterx@redhat.com", "Subject": "[RFC PATCH 04/25] migration: Move multifd_recv_setup call", "Date": "Fri, 26 Dec 2025 18:19:06 -0300", "Message-ID": "<20251226211930.27565-5-farosas@suse.de>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20251226211930.27565-1-farosas@suse.de>", "References": "<20251226211930.27565-1-farosas@suse.de>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Score": "-3.01", "X-Rspamd-Queue-Id": "68CEE5BCCD", "X-Spamd-Result": "default: False [-3.01 / 50.00]; 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envelope-from=farosas@suse.de;\n helo=smtp-out2.suse.de", "X-Spam_score_int": "-43", "X-Spam_score": "-4.4", "X-Spam_bar": "----", "X-Spam_report": "(-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001,\n 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": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "The multifd_recv_setup() call is currently in a place where it will be\ncalled for every channel that appears. That doesn't make much\nsense.\n\nIt seems it was moved when the channel discovery mechanism was added\nback at commit 6720c2b327 (migration: check magic value for deciding\nthe mapping of channels, 2022-12-20). The original place was\nmigration_incoming_setup() which would run for just the main channel,\nbut it was discovered that the main channel might arrive after a\nmultifd channel.\n\nMove the call back to a place where it will be called only once.\n\nWith respect to cleanup, this new location at\nqemu_start_incoming_migration() has the same issue as the previous\ncallsite at migration_ioc_process_incoming(): no cleanup ever happens.\n\nThe error message goes from being emitted via error_report_err(), to\nbeing returned to the qmp_migrate_incoming() incoming command, which\nis arguably better, since this is setup code.\n\nSigned-off-by: Fabiano Rosas <farosas@suse.de>\n---\n migration/migration.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/migration/migration.c b/migration/migration.c\nindex 71efe945f6..974313944c 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -786,6 +786,10 @@ static void qemu_start_incoming_migration(const char *uri, bool has_channels,\n return;\n }\n \n+ if (multifd_recv_setup(errp) != 0) {\n+ return;\n+ }\n+\n if (addr->transport == MIGRATION_ADDRESS_TYPE_SOCKET) {\n SocketAddress *saddr = &addr->u.socket;\n if (saddr->type == SOCKET_ADDRESS_TYPE_INET ||\n@@ -1065,10 +1069,6 @@ void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp)\n channel = CH_POSTCOPY;\n }\n \n- if (multifd_recv_setup(errp) != 0) {\n- return;\n- }\n-\n if (channel == CH_MAIN) {\n f = qemu_file_new_input(ioc);\n migration_incoming_setup(f);\n", "prefixes": [ "RFC", "04/25" ] }