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[Qemu-devel] [PATCH v2] i386: keep cpu_model field in MachineState uptod
From: |
Zhu Guihua |
Subject: |
[Qemu-devel] [PATCH v2] i386: keep cpu_model field in MachineState uptodate |
Date: |
Mon, 24 Aug 2015 17:42:09 +0800 |
Update cpu_model in MachineState for i386, so that the field can be used
for cpu hotplug, instead of using a static variable.
Signed-off-by: Zhu Guihua <address@hidden>
---
v2:
-transfer MachineState from all pc_cpus_init() callers
---
hw/i386/pc.c | 16 +++++++---------
hw/i386/pc_piix.c | 2 +-
hw/i386/pc_q35.c | 2 +-
include/hw/i386/pc.h | 2 +-
4 files changed, 10 insertions(+), 12 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 9f2924e..46ea74a 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1081,11 +1081,10 @@ out:
return cpu;
}
-static const char *current_cpu_model;
-
void pc_hot_add_cpu(const int64_t id, Error **errp)
{
DeviceState *icc_bridge;
+ MachineState *machine = MACHINE(qdev_get_machine());
X86CPU *cpu;
int64_t apic_id = x86_cpu_apic_id_from_index(id);
Error *local_err = NULL;
@@ -1116,7 +1115,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp)
icc_bridge = DEVICE(object_resolve_path_type("icc-bridge",
TYPE_ICC_BRIDGE, NULL));
- cpu = pc_new_cpu(current_cpu_model, apic_id, icc_bridge, &local_err);
+ cpu = pc_new_cpu(machine->cpu_model, apic_id, icc_bridge, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
@@ -1124,7 +1123,7 @@ void pc_hot_add_cpu(const int64_t id, Error **errp)
object_unref(OBJECT(cpu));
}
-void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge)
+void pc_cpus_init(MachineState *machine, DeviceState *icc_bridge)
{
int i;
X86CPU *cpu = NULL;
@@ -1132,14 +1131,13 @@ void pc_cpus_init(const char *cpu_model, DeviceState
*icc_bridge)
unsigned long apic_id_limit;
/* init CPUs */
- if (cpu_model == NULL) {
+ if (machine->cpu_model == NULL) {
#ifdef TARGET_X86_64
- cpu_model = "qemu64";
+ machine->cpu_model = "qemu64";
#else
- cpu_model = "qemu32";
+ machine->cpu_model = "qemu32";
#endif
}
- current_cpu_model = cpu_model;
apic_id_limit = pc_apic_id_limit(max_cpus);
if (apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) {
@@ -1149,7 +1147,7 @@ void pc_cpus_init(const char *cpu_model, DeviceState
*icc_bridge)
}
for (i = 0; i < smp_cpus; i++) {
- cpu = pc_new_cpu(cpu_model, x86_cpu_apic_id_from_index(i),
+ cpu = pc_new_cpu(machine->cpu_model, x86_cpu_apic_id_from_index(i),
icc_bridge, &error);
if (error) {
error_report_err(error);
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 9558467..7e16665 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -145,7 +145,7 @@ static void pc_init1(MachineState *machine)
object_property_add_child(qdev_get_machine(), "icc-bridge",
OBJECT(icc_bridge), NULL);
- pc_cpus_init(machine->cpu_model, icc_bridge);
+ pc_cpus_init(machine, icc_bridge);
if (kvm_enabled() && kvmclock_enabled) {
kvmclock_create();
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index c07d65b..e7249d2 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -136,7 +136,7 @@ static void pc_q35_init(MachineState *machine)
object_property_add_child(qdev_get_machine(), "icc-bridge",
OBJECT(icc_bridge), NULL);
- pc_cpus_init(machine->cpu_model, icc_bridge);
+ pc_cpus_init(machine, icc_bridge);
pc_acpi_init("q35-acpi-dsdt.aml");
kvmclock_create();
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index d0cad87..ae0184d 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -161,7 +161,7 @@ bool pc_machine_is_smm_enabled(PCMachineState *pcms);
void pc_register_ferr_irq(qemu_irq irq);
void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
-void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge);
+void pc_cpus_init(MachineState *machine, DeviceState *icc_bridge);
void pc_hot_add_cpu(const int64_t id, Error **errp);
void pc_acpi_init(const char *default_dsdt);
--
1.9.3
- [Qemu-devel] [PATCH v2] i386: keep cpu_model field in MachineState uptodate,
Zhu Guihua <=