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[Qemu-devel] [PATCH 05/19] cpu: resume CPU from CPUClass.cpu_common_real
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 05/19] cpu: resume CPU from CPUClass.cpu_common_realizefn() when it is hot-plugged |
Date: |
Thu, 11 Apr 2013 16:51:44 +0200 |
Signed-off-by: Igor Mammedov <address@hidden>
---
cpus.c | 11 ++++++++---
include/sysemu/cpus.h | 3 +++
qom/cpu.c | 2 ++
stubs/Makefile.objs | 1 +
stubs/resume_vcpu.c | 6 ++++++
5 files changed, 20 insertions(+), 3 deletions(-)
create mode 100644 stubs/resume_vcpu.c
diff --git a/cpus.c b/cpus.c
index 9b9a32f..f12624d 100644
--- a/cpus.c
+++ b/cpus.c
@@ -973,6 +973,13 @@ void pause_all_vcpus(void)
}
}
+void resume_vcpu(CPUState *cpu)
+{
+ cpu->stop = false;
+ cpu->stopped = false;
+ qemu_cpu_kick(cpu);
+}
+
void resume_all_vcpus(void)
{
CPUArchState *penv = first_cpu;
@@ -980,9 +987,7 @@ void resume_all_vcpus(void)
qemu_clock_enable(vm_clock, true);
while (penv) {
CPUState *pcpu = ENV_GET_CPU(penv);
- pcpu->stop = false;
- pcpu->stopped = false;
- qemu_cpu_kick(pcpu);
+ resume_vcpu(pcpu);
penv = penv->next_cpu;
}
}
diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h
index 6502488..9437df5 100644
--- a/include/sysemu/cpus.h
+++ b/include/sysemu/cpus.h
@@ -1,11 +1,14 @@
#ifndef QEMU_CPUS_H
#define QEMU_CPUS_H
+#include "qom/cpu.h"
+
/* cpus.c */
void qemu_init_cpu_loop(void);
void resume_all_vcpus(void);
void pause_all_vcpus(void);
void cpu_stop_current(void);
+void resume_vcpu(CPUState *cpu);
void cpu_synchronize_all_states(void);
void cpu_synchronize_all_post_reset(void);
diff --git a/qom/cpu.c b/qom/cpu.c
index 0c76712..2869cfe 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -21,6 +21,7 @@
#include "qom/cpu.h"
#include "qemu-common.h"
#include "sysemu/kvm.h"
+#include "sysemu/cpus.h"
void cpu_reset_interrupt(CPUState *cpu, int mask)
{
@@ -60,6 +61,7 @@ static void cpu_common_realizefn(DeviceState *dev, Error
**errp)
{
if (dev->hotplugged) {
cpu_synchronize_post_init(CPU(dev));
+ resume_vcpu(CPU(dev));
}
}
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 9c55b34..28fb4f8 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -23,3 +23,4 @@ stub-obj-y += sysbus.o
stub-obj-y += vm-stop.o
stub-obj-y += vmstate.o
stub-obj-$(CONFIG_WIN32) += fd-register.o
+stub-obj-y += resume_vcpu.o
diff --git a/stubs/resume_vcpu.c b/stubs/resume_vcpu.c
new file mode 100644
index 0000000..383b71a
--- /dev/null
+++ b/stubs/resume_vcpu.c
@@ -0,0 +1,6 @@
+#include "qemu-common.h"
+#include "sysemu/cpus.h"
+
+void resume_vcpu(CPUState *cpu)
+{
+}
--
1.8.2
[Qemu-devel] [PATCH 15/19] target-i386: move APIC to ICC bus, Igor Mammedov, 2013/04/11
[Qemu-devel] [PATCH 13/19] target-i386: cpu: attach ICC bus to CPU on its creation, Igor Mammedov, 2013/04/11
[Qemu-devel] [PATCH 05/19] cpu: resume CPU from CPUClass.cpu_common_realizefn() when it is hot-plugged,
Igor Mammedov <=
[Qemu-devel] [PATCH 01/19] target-i386: split out CPU creation and features parsing into cpu_x86_create(), Igor Mammedov, 2013/04/11
[Qemu-devel] [PATCH 16/19] target-i386: move IOAPIC to ICC bus, Igor Mammedov, 2013/04/11
[Qemu-devel] [PATCH 12/19] introduce ICC bus/device/bridge, Igor Mammedov, 2013/04/11
[Qemu-devel] [PATCH 18/19] target-i386: expose all possible CPUs as /machine/icc-bridge/cpu[0..N] links, Igor Mammedov, 2013/04/11