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GET /api/patches/2227478/?format=api
{ "id": 2227478, "url": "http://patchwork.ozlabs.org/api/patches/2227478/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260423191958.1440-18-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": "<20260423191958.1440-18-farosas@suse.de>", "list_archive_url": null, "date": "2026-04-23T19:19:31", "name": "[PULL,17/43] migration/savevm: move to new migration APIs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7bbc1cc466d10bbbfef399bcd84d5ec867905570", "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/20260423191958.1440-18-farosas@suse.de/mbox/", "series": [ { "id": 501236, "url": "http://patchwork.ozlabs.org/api/series/501236/?format=api", "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/2227478/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2227478/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 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bh=YjeGSJmCeH6X7iob4o4x+DB7RJK/iTyXeF+vFeqKpmo=;\n b=J6+gqmpQwbLzAXMnnt66q8Ki8nS1CFtjJ85JSrFZfZDqvrE/6QRgXJQoCMqLxS+yTquwt+\n rfrJgjMtMnFS9Db+CSzx1jJXjJteLGbDn4rzUaSfK3fllfo7mJhiGgLpqPMxFoRPDQo1ie\n dyGUuT8QmFY4s01IQRoA78rpaAIS5ZU=", "v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de;\n s=susede2_ed25519; t=1776972025;\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=YjeGSJmCeH6X7iob4o4x+DB7RJK/iTyXeF+vFeqKpmo=;\n b=4yvQQDrGa4eap6OKRxyt0Lq8kqnjoaRO1j/La5VPfnwWhrZE1ICgnhcozjcJioFil7o/wd\n Tiiy3KHipAWnVxCA==" ], "From": "Fabiano Rosas <farosas@suse.de>", "To": "qemu-devel@nongnu.org", "Cc": "Peter Xu <peterx@redhat.com>,\n Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>", "Subject": "[PULL 17/43] migration/savevm: move to new migration APIs", "Date": "Thu, 23 Apr 2026 16:19:31 -0300", "Message-ID": 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client-ip=195.135.223.130; envelope-from=farosas@suse.de;\n helo=smtp-out1.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, 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": "From: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>\n\nSigned-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>\nReviewed-by: Peter Xu <peterx@redhat.com>\nLink: https://lore.kernel.org/qemu-devel/20260304212303.667141-16-vsementsov@yandex-team.ru\nSigned-off-by: Fabiano Rosas <farosas@suse.de>\n---\n migration/savevm.c | 105 ++++++++++++++++++++++++---------------------\n 1 file changed, 55 insertions(+), 50 deletions(-)", "diff": "diff --git a/migration/savevm.c b/migration/savevm.c\nindex 699d2c9f8b..8115203b51 100644\n--- a/migration/savevm.c\n+++ b/migration/savevm.c\n@@ -205,27 +205,28 @@ void timer_get(QEMUFile *f, QEMUTimer *ts)\n * Not in vmstate.c to not add qemu-timer.c as dependency to vmstate.c\n */\n \n-static int get_timer(QEMUFile *f, void *pv, size_t size,\n- const VMStateField *field)\n+static bool load_timer(QEMUFile *f, void *pv, size_t size,\n+ const VMStateField *field, Error **errp)\n {\n QEMUTimer *v = pv;\n timer_get(f, v);\n- return 0;\n+ return true;\n }\n \n-static int put_timer(QEMUFile *f, void *pv, size_t size,\n- const VMStateField *field, JSONWriter *vmdesc)\n+static bool save_timer(QEMUFile *f, void *pv, size_t size,\n+ const VMStateField *field, JSONWriter *vmdesc,\n+ Error **errp)\n {\n QEMUTimer *v = pv;\n timer_put(f, v);\n \n- return 0;\n+ return true;\n }\n \n const VMStateInfo vmstate_info_timer = {\n .name = \"timer\",\n- .get = get_timer,\n- .put = put_timer,\n+ .load = load_timer,\n+ .save = save_timer,\n };\n \n \n@@ -297,7 +298,7 @@ static uint32_t get_validatable_capabilities_count(void)\n return result;\n }\n \n-static int configuration_pre_save(void *opaque)\n+static bool configuration_pre_save(void *opaque, Error **errp)\n {\n SaveState *state = opaque;\n const char *current_name = MACHINE_GET_CLASS(current_machine)->name;\n@@ -318,7 +319,7 @@ static int configuration_pre_save(void *opaque)\n }\n state->uuid = qemu_uuid;\n \n- return 0;\n+ return true;\n }\n \n static void configuration_post_save(void *opaque)\n@@ -330,7 +331,7 @@ static void configuration_post_save(void *opaque)\n state->caps_count = 0;\n }\n \n-static int configuration_pre_load(void *opaque)\n+static bool configuration_pre_load(void *opaque, Error **errp)\n {\n SaveState *state = opaque;\n \n@@ -339,7 +340,7 @@ static int configuration_pre_load(void *opaque)\n * minimum possible value for this CPU.\n */\n state->target_page_bits = migration_legacy_page_bits();\n- return 0;\n+ return true;\n }\n \n static bool configuration_validate_capabilities(SaveState *state)\n@@ -376,28 +377,31 @@ static bool configuration_validate_capabilities(SaveState *state)\n return ret;\n }\n \n-static int configuration_post_load(void *opaque, int version_id)\n+static bool configuration_post_load(void *opaque, int version_id, Error **errp)\n {\n SaveState *state = opaque;\n const char *current_name = MACHINE_GET_CLASS(current_machine)->name;\n- int ret = 0;\n+ bool ok = true;\n \n if (strncmp(state->name, current_name, state->len) != 0) {\n- error_report(\"Machine type received is '%.*s' and local is '%s'\",\n- (int) state->len, state->name, current_name);\n- ret = -EINVAL;\n+ error_setg(errp,\n+ \"Machine type received is '%.*s' and local is '%s'\",\n+ (int) state->len, state->name, current_name);\n+ ok = false;\n goto out;\n }\n \n if (state->target_page_bits != qemu_target_page_bits()) {\n- error_report(\"Received TARGET_PAGE_BITS is %d but local is %d\",\n- state->target_page_bits, qemu_target_page_bits());\n- ret = -EINVAL;\n+ error_setg(errp,\n+ \"Received TARGET_PAGE_BITS is %d but local is %d\",\n+ state->target_page_bits, qemu_target_page_bits());\n+ ok = false;\n goto out;\n }\n \n if (!configuration_validate_capabilities(state)) {\n- ret = -EINVAL;\n+ error_setg(errp, \"Failed to validate capabilities\");\n+ ok = false;\n goto out;\n }\n \n@@ -409,11 +413,12 @@ out:\n state->capabilities = NULL;\n state->caps_count = 0;\n \n- return ret;\n+ return ok;\n }\n \n-static int get_capability(QEMUFile *f, void *pv, size_t size,\n- const VMStateField *field)\n+static bool load_capability(QEMUFile *f, void *pv, size_t size,\n+ const VMStateField *field,\n+ Error **errp)\n {\n MigrationCapability *capability = pv;\n char capability_str[UINT8_MAX + 1];\n@@ -426,15 +431,16 @@ static int get_capability(QEMUFile *f, void *pv, size_t size,\n for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) {\n if (!strcmp(MigrationCapability_str(i), capability_str)) {\n *capability = i;\n- return 0;\n+ return true;\n }\n }\n- error_report(\"Received unknown capability %s\", capability_str);\n- return -EINVAL;\n+ error_setg(errp, \"Received unknown capability %s\", capability_str);\n+ return false;\n }\n \n-static int put_capability(QEMUFile *f, void *pv, size_t size,\n- const VMStateField *field, JSONWriter *vmdesc)\n+static bool save_capability(QEMUFile *f, void *pv, size_t size,\n+ const VMStateField *field, JSONWriter *vmdesc,\n+ Error **errp)\n {\n MigrationCapability *capability = pv;\n const char *capability_str = MigrationCapability_str(*capability);\n@@ -443,13 +449,13 @@ static int put_capability(QEMUFile *f, void *pv, size_t size,\n \n qemu_put_byte(f, len);\n qemu_put_buffer(f, (uint8_t *)capability_str, len);\n- return 0;\n+ return true;\n }\n \n static const VMStateInfo vmstate_info_capability = {\n .name = \"capability\",\n- .get = get_capability,\n- .put = put_capability,\n+ .load = load_capability,\n+ .save = save_capability,\n };\n \n /* The target-page-bits subsection is present only if the\n@@ -539,9 +545,9 @@ static const VMStateDescription vmstate_uuid = {\n static const VMStateDescription vmstate_configuration = {\n .name = \"configuration\",\n .version_id = 1,\n- .pre_load = configuration_pre_load,\n- .post_load = configuration_post_load,\n- .pre_save = configuration_pre_save,\n+ .pre_load_errp = configuration_pre_load,\n+ .post_load_errp = configuration_post_load,\n+ .pre_save_errp = configuration_pre_save,\n .post_save = configuration_post_save,\n .fields = (const VMStateField[]) {\n VMSTATE_UINT32(len, SaveState),\n@@ -969,8 +975,13 @@ static int vmstate_load(QEMUFile *f, SaveStateEntry *se, Error **errp)\n }\n return ret;\n }\n- return vmstate_load_state(f, se->vmsd, se->opaque, se->load_version_id,\n- errp);\n+\n+ if (!vmstate_load_vmsd(f, se->vmsd, se->opaque, se->load_version_id,\n+ errp)) {\n+ return -EINVAL;\n+ }\n+\n+ return 0;\n }\n \n static void vmstate_save_old_style(QEMUFile *f, SaveStateEntry *se,\n@@ -1028,8 +1039,6 @@ static void save_section_footer(QEMUFile *f, SaveStateEntry *se)\n static int vmstate_save(QEMUFile *f, SaveStateEntry *se, JSONWriter *vmdesc,\n Error **errp)\n {\n- int ret;\n-\n if ((!se->ops || !se->ops->save_state) && !se->vmsd) {\n return 0;\n }\n@@ -1050,10 +1059,8 @@ static int vmstate_save(QEMUFile *f, SaveStateEntry *se, JSONWriter *vmdesc,\n if (!se->vmsd) {\n vmstate_save_old_style(f, se, vmdesc);\n } else {\n- ret = vmstate_save_state(f, se->vmsd, se->opaque, vmdesc,\n- errp);\n- if (ret) {\n- return ret;\n+ if (!vmstate_save_vmsd(f, se->vmsd, se->opaque, vmdesc, errp)) {\n+ return -EINVAL;\n }\n }\n \n@@ -1311,8 +1318,8 @@ static void qemu_savevm_send_configuration(MigrationState *s, QEMUFile *f)\n json_writer_start_object(vmdesc, \"configuration\");\n }\n \n- vmstate_save_state(f, &vmstate_configuration, &savevm_state,\n- vmdesc, &local_err);\n+ vmstate_save_vmsd(f, &vmstate_configuration, &savevm_state,\n+ vmdesc, &local_err);\n if (local_err) {\n error_report_err(local_err);\n }\n@@ -2721,7 +2728,6 @@ qemu_loadvm_section_part_end(QEMUFile *f, uint8_t type, Error **errp)\n static int qemu_loadvm_state_header(QEMUFile *f, Error **errp)\n {\n unsigned int v;\n- int ret;\n \n v = qemu_get_be32(f);\n if (v != QEMU_VM_FILE_MAGIC) {\n@@ -2752,10 +2758,9 @@ static int qemu_loadvm_state_header(QEMUFile *f, Error **errp)\n return -EINVAL;\n }\n \n- ret = vmstate_load_state(f, &vmstate_configuration, &savevm_state, 0,\n- errp);\n- if (ret) {\n- return ret;\n+ if (!vmstate_load_vmsd(f, &vmstate_configuration, &savevm_state, 0,\n+ errp)) {\n+ return -EINVAL;\n }\n }\n return 0;\n", "prefixes": [ "PULL", "17/43" ] }