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GET /api/patches/2177623/?format=api
{ "id": 2177623, "url": "http://patchwork.ozlabs.org/api/patches/2177623/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251226211930.27565-9-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": "<20251226211930.27565-9-farosas@suse.de>", "list_archive_url": null, "date": "2025-12-26T21:19:10", "name": "[RFC,08/25] migration: Free the error earlier in the resume case", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bd7d778158b6763e3c6e3b6ac10fb231e26f19c9", "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/20251226211930.27565-9-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/2177623/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2177623/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=CyUlMLJ2;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=Rf8yV/Zq;\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=CyUlMLJ2;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=Rf8yV/Zq;\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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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1766783986;\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=tSahG4mmiJEfSqy0FxSwFr034hSj4sJZWVFPM3kd81o=;\n b=Rf8yV/ZqAzalpXCLQQsm/5E8Veydp8cxJAcLGZonk9B6TvBWAtcHnokka84V7aybOdagWl\n 8Fv+8GAwptYlxACA==", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_rsa;\n t=1766783986;\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=tSahG4mmiJEfSqy0FxSwFr034hSj4sJZWVFPM3kd81o=;\n b=CyUlMLJ2sUZs+IAmRzQUibtpILB/bkXv2j9OxPraBnAQ+z5H9o/86SlsxbMVbYtXStbSF5\n PMP6WotTIY0V2qEhQ6bXgWdgZTqxsb09bZEM4dMViUUDOl84pJsC/p5w9bPM/B94ioblbC\n EfiuvAB9xSfet+1PR2W0SxRnLByap/g=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1766783986;\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=tSahG4mmiJEfSqy0FxSwFr034hSj4sJZWVFPM3kd81o=;\n b=Rf8yV/ZqAzalpXCLQQsm/5E8Veydp8cxJAcLGZonk9B6TvBWAtcHnokka84V7aybOdagWl\n 8Fv+8GAwptYlxACA==" ], "From": "Fabiano Rosas <farosas@suse.de>", "To": "qemu-devel@nongnu.org", "Cc": "peterx@redhat.com", "Subject": "[RFC PATCH 08/25] migration: Free the error earlier in the resume\n case", "Date": "Fri, 26 Dec 2025 18:19:10 -0300", "Message-ID": "<20251226211930.27565-9-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": "-2.80", "X-Spamd-Result": "default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[99.99%];\n MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000];\n R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.982];\n MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_TWO(0.00)[2];\n FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[];\n RCVD_VIA_SMTP_AUTH(0.00)[];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:email,suse.de:mid];\n URIBL_BLOCKED(0.00)[suse.de:email,suse.de:mid,imap1.dmz-prg2.suse.org:helo];\n FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[];\n MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2];\n TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[];\n RCVD_TLS_ALL(0.00)[]", "Received-SPF": "pass client-ip=2a07:de40:b251:101:10:150:64:1;\n envelope-from=farosas@suse.de; helo=smtp-out1.suse.de", "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, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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": "Freeing the error at migration_connect() is redundant in the normal\nmigration case. The freeing already happened at migrate_init():\n\nqmp_migrate()\n-> migrate_prepare()\n -> migrate_init()\n-> qmp_migrate_finish()\n -> *_start_outgoing_migration()\n -> migration_channel_connect()\n -> migration_connect()\n\nFor the resume case, migrate_prepare() returns early and doesn't reach\nmigrate_init(). Move the extra migrate_error_free() call to\nmigrate_prepare() along with the resume check.\n\nSigned-off-by: Fabiano Rosas <farosas@suse.de>\n---\n migration/migration.c | 14 +++++++-------\n 1 file changed, 7 insertions(+), 7 deletions(-)", "diff": "diff --git a/migration/migration.c b/migration/migration.c\nindex 4b1afcab24..a56f8fb05e 100644\n--- a/migration/migration.c\n+++ b/migration/migration.c\n@@ -2088,6 +2088,13 @@ static bool migrate_prepare(MigrationState *s, bool resume, Error **errp)\n migrate_set_state(&s->state, MIGRATION_STATUS_POSTCOPY_PAUSED,\n MIGRATION_STATUS_POSTCOPY_RECOVER_SETUP);\n \n+ /*\n+ * If there's a previous error, free it and prepare for\n+ * another one. For the non-resume case, this happens at\n+ * migrate_init() below.\n+ */\n+ migrate_error_free(s);\n+\n /* This is a resume, skip init status */\n return true;\n }\n@@ -4016,13 +4023,6 @@ void migration_connect(MigrationState *s, Error *error_in)\n bool resume = (s->state == MIGRATION_STATUS_POSTCOPY_RECOVER_SETUP);\n int ret;\n \n- /*\n- * If there's a previous error, free it and prepare for another one.\n- * Meanwhile if migration completes successfully, there won't have an error\n- * dumped when calling migration_cleanup().\n- */\n- migrate_error_free(s);\n-\n s->expected_downtime = migrate_downtime_limit();\n if (error_in) {\n migration_connect_error_propagate(s, error_in);\n", "prefixes": [ "RFC", "08/25" ] }