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From: Bibo Mao <maobibo@loongson.cn>
To: Song Gao <gaosong@loongson.cn>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>,
qemu-devel@nongnu.org
Subject: [PATCH v2 3/7] hw/intc/loongarch_ipi: Notify ipi object when cpu is
plugged
Date: Mon, 10 Feb 2025 17:36:28 +0800
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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>
---
hw/loongarch/virt.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index f2aa0a9782..ad1467c6f8 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -325,6 +325,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState=
*lvms)
MachineClass *mc =3D MACHINE_GET_CLASS(ms);
const CPUArchIdList *possible_cpus;
CPUState *cs;
+ Error *err =3D NULL;
=20
/* cpu nodes */
possible_cpus =3D mc->possible_cpu_arch_ids(ms);
@@ -334,9 +335,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState=
*lvms)
continue;
}
=20
- /* 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);
=20
/*
* connect ext irq to the cpu irq
--=20
2.39.3