{"id":2227487,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2227487/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423191958.1440-23-farosas@suse.de/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/projects/14/?format=json","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":"<20260423191958.1440-23-farosas@suse.de>","list_archive_url":null,"date":"2026-04-23T19:19:36","name":"[PULL,22/43] tests/qtest/migration: Add mapped-ram/postcopy validation test","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"8fc2899ef5b6a21684922b4d09bf1ff3f9271f2b","submitter":{"id":85343,"url":"http://patchwork.ozlabs.org/api/1.2/people/85343/?format=json","name":"Fabiano Rosas","email":"farosas@suse.de"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423191958.1440-23-farosas@suse.de/mbox/","series":[{"id":501236,"url":"http://patchwork.ozlabs.org/api/1.2/series/501236/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501236","date":"2026-04-23T19:19:14","name":"[PULL,01/43] checkpatch: Allow spaces after all coroutine annotations","version":1,"mbox":"http://patchwork.ozlabs.org/series/501236/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227487/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227487/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=mczSZtBJ;\n\tdkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=EeXZv1Q8;\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=mczSZtBJ;\n\tdkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=EeXZv1Q8;\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=1776972033;\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=DKT9Q2zKT+GEZGSWOgGSeMo9cBOjOzFrkFs3s/aOn2w=;\n b=EeXZv1Q88HlTobtfUCZ0M5ze4VisB/Y5fnBvW5hMyDe3RMeB2eICEAQj3/ffshCQmlyVd3\n WAwIc9k+Y1HzykDQ=="],"From":"Fabiano Rosas ","To":"qemu-devel@nongnu.org","Cc":"Peter Xu ,\n\tTakeru Hayasaka ","Subject":"[PULL 22/43] tests/qtest/migration: Add mapped-ram/postcopy\n validation test","Date":"Thu, 23 Apr 2026 16:19:36 -0300","Message-ID":"<20260423191958.1440-23-farosas@suse.de>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260423191958.1440-1-farosas@suse.de>","References":"<20260423191958.1440-1-farosas@suse.de>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Rspamd-Action":"no action","X-Rspamd-Server":"rspamd2.dmz-prg2.suse.org","X-Spamd-Result":"default: False [-3.01 / 50.00]; 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RCPT_COUNT_THREE(0.00)[3];\n FREEMAIL_ENVRCPT(0.00)[gmail.com]","X-Rspamd-Queue-Id":"BBA075BD7F","X-Spam-Score":"-3.01","Received-SPF":"pass client-ip=2a07:de40:b251:101:10:150:64:2;\n envelope-from=farosas@suse.de; helo=smtp-out2.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 development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Takeru Hayasaka \n\nThe 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 \nLink: https://lore.kernel.org/qemu-devel/20260327164705.1990226-1-hayatake396@gmail.com\n[unlink src_serial]\nSigned-off-by: Fabiano Rosas \n---\n tests/qtest/migration/misc-tests.c | 52 ++++++++++++++++++++++++++++++\n 1 file changed, 52 insertions(+)","diff":"diff --git a/tests/qtest/migration/misc-tests.c b/tests/qtest/migration/misc-tests.c\nindex 196f1ca842..e114ac5972 100644\n--- a/tests/qtest/migration/misc-tests.c\n+++ b/tests/qtest/migration/misc-tests.c\n@@ -215,6 +215,55 @@ 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 *serial_path = g_strconcat(tmpfs, \"/src_serial\", NULL);\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+ unlink(serial_path);\n+}\n+\n static void test_validate_uri_channels_both_set(char *name, MigrateCommon *args)\n {\n args->listen_uri = \"defer\",\n@@ -276,4 +325,7 @@ 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":["PULL","22/43"]}