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GET /api/patches/2217096/?format=api
{ "id": 2217096, "url": "http://patchwork.ozlabs.org/api/patches/2217096/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260327164705.1990226-1-hayatake396@gmail.com/", "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": "<20260327164705.1990226-1-hayatake396@gmail.com>", "list_archive_url": null, "date": "2026-03-27T16:46:58", "name": "[v2] tests/qtest/migration: Add mapped-ram/postcopy validation test", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "4126c02374f89c1b92d162600a287b3198d60172", "submitter": { "id": 87325, "url": "http://patchwork.ozlabs.org/api/people/87325/?format=api", "name": "Takeru Hayasaka", "email": "hayatake396@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260327164705.1990226-1-hayatake396@gmail.com/mbox/", "series": [ { "id": 497797, "url": "http://patchwork.ozlabs.org/api/series/497797/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497797", "date": "2026-03-27T16:46:58", "name": "[v2] tests/qtest/migration: Add mapped-ram/postcopy validation test", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/497797/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217096/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217096/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 (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=M9Lo5rlN;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fj67j1lJ3z1yFr\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 28 Mar 2026 03:49:52 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w6AMK-0001et-VR; Fri, 27 Mar 2026 12:48:33 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <hayatake396@gmail.com>)\n id 1w6ALB-0008PY-QU\n for qemu-devel@nongnu.org; Fri, 27 Mar 2026 12:47:26 -0400", "from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <hayatake396@gmail.com>)\n id 1w6ALA-0003ud-76\n for qemu-devel@nongnu.org; Fri, 27 Mar 2026 12:47:21 -0400", "by mail-pl1-x62f.google.com with SMTP id\n d9443c01a7336-2b23f90f53aso2008005ad.0\n for <qemu-devel@nongnu.org>; Fri, 27 Mar 2026 09:47:18 -0700 (PDT)", "from lab-kiba-ocxma-dut-01.. 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helo=mail-pl1-x62f.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 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 FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, 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 development <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 migration capability checks reject enabling postcopy-ram together\nwith mapped-ram, but there is no qtest covering this incompatibility.\n\nAdd a validation test that verifies QMP rejects the combination in\nboth capability ordering cases and returns the expected error.\n\nThis keeps the existing capability boundary covered without changing\nmigration behavior.\n\nSigned-off-by: Takeru Hayasaka <hayatake396@gmail.com>\n---\nBuilt with:\n ./configure --target-list=x86_64-softmmu --disable-werror\n ninja -C build tests/qtest/migration-test qemu-system-x86_64\n\nTested with:\n QTEST_QEMU_BINARY=./build/qemu-system-x86_64 \\\n ./build/tests/qtest/migration-test --full \\\n -p /x86_64/migration/validate_caps/mapped_ram_postcopy\n\n v2:\n - Rename do_test_validate_capability_pair to validate_caps_pair\n - Move migrate_start/migrate_end to caller for VM reuse\n - Set only_source to skip target VM\n - Generalize test using migration_test_add_suffix pattern\n---\n tests/qtest/migration/misc-tests.c | 50 ++++++++++++++++++++++++++++++\n 1 file changed, 50 insertions(+)", "diff": "diff --git a/tests/qtest/migration/misc-tests.c b/tests/qtest/migration/misc-tests.c\nindex 196f1ca84287..4131e7b0614d 100644\n--- a/tests/qtest/migration/misc-tests.c\n+++ b/tests/qtest/migration/misc-tests.c\n@@ -215,6 +215,53 @@ static void do_test_validate_uri_channel(MigrateCommon *args)\n migrate_end(from, to, false);\n }\n \n+static void validate_caps_pair(QTestState *from,\n+ const char *first_capability,\n+ const char *second_capability,\n+ const char *expected_error)\n+{\n+ QDict *rsp;\n+ const char *error_desc;\n+\n+ migrate_set_capability(from, first_capability, true);\n+\n+ rsp = qtest_qmp_assert_failure_ref(\n+ from,\n+ \"{ 'execute': 'migrate-set-capabilities',\"\n+ \" 'arguments': { 'capabilities': [ { \"\n+ \" 'capability': %s, 'state': true } ] } }\",\n+ second_capability);\n+\n+ error_desc = qdict_get_str(rsp, \"desc\");\n+ g_assert_cmpstr(error_desc, ==, expected_error);\n+ qobject_unref(rsp);\n+\n+ migrate_set_capability(from, first_capability, false);\n+}\n+\n+static void test_validate_caps_pair(char *test_path, MigrateCommon *args)\n+{\n+ g_autofree char *cap_pair = g_path_get_basename(test_path);\n+ QTestState *from, *to;\n+\n+ args->start.hide_stderr = true;\n+ args->start.only_source = true;\n+\n+ if (migrate_start(&from, &to, \"defer\", &args->start)) {\n+ return;\n+ }\n+\n+ if (g_str_equal(cap_pair, \"mapped_ram_postcopy\")) {\n+ const char *error =\n+ \"Mapped-ram migration is incompatible with postcopy\";\n+\n+ validate_caps_pair(from, \"mapped-ram\", \"postcopy-ram\", error);\n+ validate_caps_pair(from, \"postcopy-ram\", \"mapped-ram\", error);\n+ }\n+\n+ qtest_quit(from);\n+}\n+\n static void test_validate_uri_channels_both_set(char *name, MigrateCommon *args)\n {\n args->listen_uri = \"defer\",\n@@ -276,4 +323,7 @@ void migration_test_add_misc(MigrationTestEnv *env)\n test_validate_uri_channels_both_set);\n migration_test_add(\"/migration/validate_uri/channels/none_set\",\n test_validate_uri_channels_none_set);\n+ migration_test_add_suffix(\"/migration/validate_caps/\",\n+ \"mapped_ram_postcopy\",\n+ test_validate_caps_pair);\n }\n", "prefixes": [ "v2" ] }