{"id":2223522,"url":"http://patchwork.ozlabs.org/api/patches/2223522/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260415132926.58878-11-mohamed@unpredictable.fr/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/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":"<20260415132926.58878-11-mohamed@unpredictable.fr>","list_archive_url":null,"date":"2026-04-15T13:29:26","name":"[v2,10/10] whpx: i386: set WHvX64RegisterInitialApicId","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"6e200e21a736d0a986ea7f84080646430d7d9055","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260415132926.58878-11-mohamed@unpredictable.fr/mbox/","series":[{"id":499989,"url":"http://patchwork.ozlabs.org/api/series/499989/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499989","date":"2026-04-15T13:29:20","name":"whpx: i386: Some more changes","version":2,"mbox":"http://patchwork.ozlabs.org/series/499989/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223522/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223522/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=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=R35vGqGb;\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=outbound.pv.icloud.com","X-Spam_score_int":"-27","X-Spam_score":"-2.8","X-Spam_bar":"--","X-Spam_report":"(-2.8 / 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 RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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":"Keep Hyper-V aware of the initial APIC ID chosen.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/whpx/whpx-all.c | 5 +++++\n 1 file changed, 5 insertions(+)","diff":"diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 9442c240b8..62fb9b5fc1 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -2398,6 +2398,11 @@ int whpx_init_vcpu(CPUState *cpu)\n         goto error;\n     }\n \n+    if (!whpx_irqchip_in_kernel()) {\n+        WHV_REGISTER_VALUE apic_id = {.Reg64 = x86_cpu->apic_state->initial_apic_id};\n+        whpx_set_reg(cpu, WHvX64RegisterInitialApicId, apic_id);\n+    }\n+\n     /*\n      * vcpu's TSC frequency is either specified by user, or use the value\n      * provided by Hyper-V if the former is not present. In the latter case, we\n","prefixes":["v2","10/10"]}