From: Bibo Mao <maobibo@loongson.cn>
Date: Mon, 10 Feb 2025 02:19:49 +0000 (+0800)
Subject: hw/intc/loongarch_ipi: Notify ipi object when cpu is plugged
X-Git-Tag: v10.0.0-rc0~30^2~12
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=50ebc3fc47f7;p=thirdparty%2Fqemu.git

hw/intc/loongarch_ipi: Notify ipi object when cpu is plugged

Use hotplug_handler_plug() to nofity ipi object when cold-plug
cpu is created, so that ipi can set and configure irq routing
to new cpu.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
---

diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 59533b058b..0629347da1 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -317,6 +317,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState *lvms)
     MachineClass *mc = MACHINE_GET_CLASS(ms);
     const CPUArchIdList *possible_cpus;
     CPUState *cs;
+    Error *err = NULL;
 
     /* cpu nodes */
     possible_cpus = mc->possible_cpu_arch_ids(ms);
@@ -326,9 +327,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState *lvms)
             continue;
         }
 
-        /* connect ipi irq to cpu irq */
-        qdev_connect_gpio_out(lvms->ipi, num,
-                              qdev_get_gpio_in(DEVICE(cs), IRQ_IPI));
+        hotplug_handler_plug(HOTPLUG_HANDLER(lvms->ipi), DEVICE(cs), &err);
 
         /*
          * connect ext irq to the cpu irq