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[Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to K
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it |
Date: |
Thu, 21 Mar 2013 15:28:38 +0100 |
* synchronize CPU state to KVM
* resume CPU, it makes CPU be able to handle interrupts in TCG mode
and/or with user-space APIC.
Signed-off-by: Igor Mammedov <address@hidden>
---
cpus.c | 11 ++++++++---
include/sysemu/cpus.h | 3 +++
stubs/Makefile.objs | 1 +
stubs/resume_vcpu.c | 6 ++++++
target-i386/cpu.c | 5 +++++
5 files changed, 23 insertions(+), 3 deletions(-)
create mode 100644 stubs/resume_vcpu.c
diff --git a/cpus.c b/cpus.c
index e919dd7..ae479bf 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/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)
+{
+}
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index d03ff73..631bcd8 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2260,6 +2260,11 @@ out:
error_propagate(errp, local_err);
return;
}
+
+ if (dev->hotplugged) {
+ cpu_synchronize_post_init(env);
+ resume_vcpu(CPU(cpu));
+ }
}
/* Enables contiguous-apic-ID mode, for compatibility */
--
1.7.1
- [Qemu-devel] [RFC 00/12] target-i386: CPU hot-add with cpu_set QMP command, Igor Mammedov, 2013/03/21
- [Qemu-devel] [PATCH 01/12] target-i386: consolidate error propagation in x86_cpu_realizefn(), Igor Mammedov, 2013/03/21
- [Qemu-devel] [PATCH 03/12] target-i386: split out CPU creation and features parsing into cpu_x86_create(), Igor Mammedov, 2013/03/21
- [Qemu-devel] [PATCH 02/12] target-i386: split APIC creation from initialization in x86_cpu_realizefn(), Igor Mammedov, 2013/03/21
- [Qemu-devel] [PATCH 04/12] target-i386: introduce apic-id property, Igor Mammedov, 2013/03/21
- [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it,
Igor Mammedov <=
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Paolo Bonzini, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Igor Mammedov, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Andreas Färber, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Igor Mammedov, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Andreas Färber, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Igor Mammedov, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Paolo Bonzini, 2013/03/27
- Re: [Qemu-devel] [PATCH 05/12] target-i386: push hot-plugged VCPU state to KVM and unstop it, Igor Mammedov, 2013/03/27
- [Qemu-devel] [PATCH 05/14] cpu: Pass CPUState to *cpu_synchronize_post*(), Igor Mammedov, 2013/03/27
- [Qemu-devel] [PATCH 06/14] cpu: call cpu_synchronize_post_init() from CPUClass.realize() if hotplugged, Igor Mammedov, 2013/03/27