1c823f0431
This series is an attempt to provide CPU hotplug support on ARM virt platform. This is based on ACPI GED device. We should enable ACPI support, and use vGICv3 and 64bit CPU to support CPU hotplug. Under KVM accel, the KVM vCPUs is pre-created. Besides, vGIC IRIs is pre-created too. However, QEMU vCPU objects are defer-created. Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From d8e0b51447d8c64788cd7f9b0fa75c4ccb06f8eb Mon Sep 17 00:00:00 2001
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From: Keqian Zhu <zhukeqian1@huawei.com>
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Date: Fri, 10 Apr 2020 10:17:27 +0800
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Subject: [PATCH] arm/cpu: assign arm_get_arch_id handler to get_arch_id hook
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This hook will be called in get_cpu_status, which is called
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during cpu hotplug.
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Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
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Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
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---
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target/arm/cpu.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/target/arm/cpu.c b/target/arm/cpu.c
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index 39bbe7e2d7..1ccb30e5eb 100644
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--- a/target/arm/cpu.c
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+++ b/target/arm/cpu.c
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@@ -2575,6 +2575,13 @@ static gchar *arm_gdb_arch_name(CPUState *cs)
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return g_strdup("arm");
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}
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+static int64_t arm_cpu_get_arch_id(CPUState *cs)
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+{
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+ ARMCPU *cpu = ARM_CPU(cs);
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+
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+ return cpu->mp_affinity;
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+}
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+
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static void arm_cpu_class_init(ObjectClass *oc, void *data)
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{
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ARMCPUClass *acc = ARM_CPU_CLASS(oc);
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@@ -2596,6 +2603,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
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cc->synchronize_from_tb = arm_cpu_synchronize_from_tb;
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cc->gdb_read_register = arm_cpu_gdb_read_register;
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cc->gdb_write_register = arm_cpu_gdb_write_register;
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+ cc->get_arch_id = arm_cpu_get_arch_id;
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#ifndef CONFIG_USER_ONLY
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cc->do_interrupt = arm_cpu_do_interrupt;
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cc->get_phys_page_attrs_debug = arm_cpu_get_phys_page_attrs_debug;
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--
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2.19.1
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