{"id":2198174,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2198174/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/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":""},"msgid":"<20260219054207.471303-8-manali.shukla@amd.com>","date":"2026-02-19T05:42:06","name":"[v1,7/8] apic_common: migrate extended APIC fields","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"cf55dc043d1573d35bd9baeba2f9064093e10f1f","submitter":{"id":90099,"url":"http://patchwork.ozlabs.org/api/1.0/people/90099/?format=json","name":"Manali Shukla","email":"manali.shukla@amd.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260219054207.471303-8-manali.shukla@amd.com/mbox/","series":[{"id":492683,"url":"http://patchwork.ozlabs.org/api/1.0/series/492683/?format=json","date":"2026-02-19T05:42:03","name":"i386/kvm: Add support for extended APIC register space","version":1,"mbox":"http://patchwork.ozlabs.org/series/492683/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2198174/checks/","tags":{},"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=amd.com header.i=@amd.com header.a=rsa-sha256\n header.s=selector1 header.b=QQu0tEYR;\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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helo=satlexmb07.amd.com; pr=C","permerror client-ip=2a01:111:f403:c107::9;\n envelope-from=Manali.Shukla@amd.com;\n helo=PH7PR06CU001.outbound.protection.outlook.com"],"From":"Manali Shukla ","To":"","CC":"Cornelia Huck , Eduardo Habkost ,\n , Marcel Apfelbaum ,\n \"Marcelo Tosatti\" , \"Michael S . Tsirkin\"\n , \"Paolo Bonzini\" , Sean Christopherson\n , Richard Henderson , Naveen\n N Rao , Nikunj Dadhaniya ,\n ","Subject":"[PATCH v1 7/8] apic_common: migrate extended APIC fields","Date":"Thu, 19 Feb 2026 05:42:06 +0000","Message-ID":"<20260219054207.471303-8-manali.shukla@amd.com>","X-Mailer":"git-send-email 2.43.0","In-Reply-To":"<20260219054207.471303-1-manali.shukla@amd.com>","References":"<20260219054207.471303-1-manali.shukla@amd.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-Originating-IP":"[10.180.168.240]","X-ClientProxiedBy":"satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com\n (10.181.42.216)","X-EOPAttributedMessage":"0","X-MS-PublicTrafficType":"Email","X-MS-TrafficTypeDiagnostic":"SJ1PEPF00001CDF:EE_|MN2PR12MB4488:EE_","X-MS-Office365-Filtering-Correlation-Id":"69dbbe61-126f-4998-f487-08de6f79d8b4","X-MS-Exchange-SenderADCheck":"1","X-MS-Exchange-AntiSpam-Relay":"0","X-Microsoft-Antispam":"BCL:0;\n ARA:13230040|1800799024|376014|7416014|36860700013|82310400026;","X-Microsoft-Antispam-Message-Info":"\n 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","X-Forefront-Antispam-Report":"CIP:165.204.84.17; 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Ip=[165.204.84.17];\n Helo=[satlexmb07.amd.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n SJ1PEPF00001CDF.namprd05.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"MN2PR12MB4488","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, DKIMWL_WL_HIGH=-0.043,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-Mailman-Approved-At":"Thu, 19 Feb 2026 08:55:36 -0500","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":"This patch adds extended APIC fields like efeat, ectrl, variable sized\narray extlvt to a new subsection of the vmstate of the apic_common\nmodule. Saving and loading of these fields makes migration of the apic\nstate deterministic when extapic is enabled.\n\nSigned-off-by: Manali Shukla \n---\n hw/intc/apic_common.c | 21 +++++++++++++++++++++\n 1 file changed, 21 insertions(+)","diff":"diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c\nindex 37a7a7019d..cd4b480c8e 100644\n--- a/hw/intc/apic_common.c\n+++ b/hw/intc/apic_common.c\n@@ -360,6 +360,12 @@ static bool apic_common_sipi_needed(void *opaque)\n return s->wait_for_sipi != 0;\n }\n \n+static bool apic_extended_needed(void *opaque)\n+{\n+ APICCommonState *s = opaque;\n+ return s->nr_extlvt > 0;\n+}\n+\n static const VMStateDescription vmstate_apic_common_sipi = {\n .name = \"apic_sipi\",\n .version_id = 1,\n@@ -372,6 +378,20 @@ static const VMStateDescription vmstate_apic_common_sipi = {\n }\n };\n \n+static const VMStateDescription vmstate_apic_extended = {\n+ .name = \"apic_extended\",\n+ .version_id = 1,\n+ .minimum_version_id = 1,\n+ .needed = apic_extended_needed,\n+ .fields = (const VMStateField[]) {\n+ VMSTATE_UINT32(efeat, APICCommonState),\n+ VMSTATE_UINT32(ectrl, APICCommonState),\n+ VMSTATE_VARRAY_UINT32(extlvt, APICCommonState, nr_extlvt, 0,\n+ vmstate_info_uint32, uint32_t),\n+ VMSTATE_END_OF_LIST()\n+ }\n+};\n+\n static const VMStateDescription vmstate_apic_common = {\n .name = \"apic\",\n .version_id = 3,\n@@ -404,6 +424,7 @@ static const VMStateDescription vmstate_apic_common = {\n },\n .subsections = (const VMStateDescription * const []) {\n &vmstate_apic_common_sipi,\n+ &vmstate_apic_extended,\n NULL\n }\n };\n","prefixes":["v1","7/8"]}