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GET /api/patches/2216671/?format=api
HTTP 200 OK
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{
    "id": 2216671,
    "url": "http://patchwork.ozlabs.org/api/patches/2216671/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260327030404.1840571-1-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": "",
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        "list_archive_url_format": "",
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    },
    "msgid": "<20260327030404.1840571-1-hayatake396@gmail.com>",
    "list_archive_url": null,
    "date": "2026-03-27T03:04:01",
    "name": "tests/qtest/migration: Add mapped-ram/postcopy validation test",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "57b141dc83ac7b781189e8ef5fb178abb9aa880a",
    "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/20260327030404.1840571-1-hayatake396@gmail.com/mbox/",
    "series": [
        {
            "id": 497684,
            "url": "http://patchwork.ozlabs.org/api/series/497684/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497684",
            "date": "2026-03-27T03:04:01",
            "name": "tests/qtest/migration: Add mapped-ram/postcopy validation test",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/497684/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2216671/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2216671/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Takeru Hayasaka <hayatake396@gmail.com>",
        "To": "qemu-devel@nongnu.org",
        "Cc": "Takeru Hayasaka <hayatake396@gmail.com>, Peter Xu <peterx@redhat.com>,\n Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>,\n Paolo Bonzini <pbonzini@redhat.com>",
        "Subject": "[PATCH] tests/qtest/migration: Add mapped-ram/postcopy validation\n test",
        "Date": "Fri, 27 Mar 2026 03:04:01 +0000",
        "Message-ID": "<20260327030404.1840571-1-hayatake396@gmail.com>",
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    },
    "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 tests/qtest/migration/misc-tests.c | 45 ++++++++++++++++++++++++++++++\n 1 file changed, 45 insertions(+)",
    "diff": "diff --git a/tests/qtest/migration/misc-tests.c b/tests/qtest/migration/misc-tests.c\nindex 196f1ca84287..ae247250713b 100644\n--- a/tests/qtest/migration/misc-tests.c\n+++ b/tests/qtest/migration/misc-tests.c\n@@ -215,6 +215,49 @@ static void do_test_validate_uri_channel(MigrateCommon *args)\n     migrate_end(from, to, false);\n }\n \n+static void do_test_validate_capability_pair(MigrateCommon *args,\n+                                             const char *first_capability,\n+                                             const char *second_capability,\n+                                             const char *expected_error)\n+{\n+    QTestState *from, *to;\n+    QDict *rsp;\n+    const char *error_desc;\n+\n+    args->start.hide_stderr = true;\n+\n+    if (migrate_start(&from, &to, \"defer\", &args->start)) {\n+        return;\n+    }\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_end(from, to, false);\n+}\n+\n+static void test_validate_caps_mapped_ram_postcopy(char *name,\n+                                                   MigrateCommon *args)\n+{\n+    const char *error =\n+        \"Mapped-ram migration is incompatible with postcopy\";\n+\n+    do_test_validate_capability_pair(args, \"mapped-ram\", \"postcopy-ram\",\n+                                     error);\n+    do_test_validate_capability_pair(args, \"postcopy-ram\", \"mapped-ram\",\n+                                     error);\n+}\n+\n static void test_validate_uri_channels_both_set(char *name, MigrateCommon *args)\n {\n     args->listen_uri = \"defer\",\n@@ -276,4 +319,6 @@ 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(\"/migration/validate_caps/mapped_ram_postcopy\",\n+                       test_validate_caps_mapped_ram_postcopy);\n }\n",
    "prefixes": []
}