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[Qemu-devel] [RFC PATCH v2 2/9] exec: Do vmstate unregistration from cpu
From: |
Bharata B Rao |
Subject: |
[Qemu-devel] [RFC PATCH v2 2/9] exec: Do vmstate unregistration from cpu_exec_exit() |
Date: |
Fri, 11 Mar 2016 10:24:31 +0530 |
cpu_exec_init() does vmstate_register for the CPU device. This needs to be
undone from cpu_exec_exit(). This change is needed to support CPU hot
removal.
Signed-off-by: Bharata B Rao <address@hidden>
---
exec.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/exec.c b/exec.c
index 49ae593..8ddca6b 100644
--- a/exec.c
+++ b/exec.c
@@ -634,6 +634,8 @@ static void cpu_release_index(CPUState *cpu)
void cpu_exec_exit(CPUState *cpu)
{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
#if defined(CONFIG_USER_ONLY)
cpu_list_lock();
#endif
@@ -651,6 +653,13 @@ void cpu_exec_exit(CPUState *cpu)
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
+
+ if (cc->vmsd != NULL) {
+ vmstate_unregister(NULL, cc->vmsd, cpu);
+ }
+ if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
+ vmstate_unregister(NULL, &vmstate_cpu_common, cpu);
+ }
}
void cpu_exec_init(CPUState *cpu, Error **errp)
--
2.1.0
- [Qemu-devel] [RFC PATCH v2 0/9] Core based CPU hotplug for PowerPC sPAPR, Bharata B Rao, 2016/03/10
- [Qemu-devel] [RFC PATCH v2 1/9] exec: Remove cpu from cpus list during cpu_exec_exit(), Bharata B Rao, 2016/03/10
- [Qemu-devel] [RFC PATCH v2 2/9] exec: Do vmstate unregistration from cpu_exec_exit(),
Bharata B Rao <=
- [Qemu-devel] [RFC PATCH v2 4/9] cpu: Add a sync version of cpu_remove(), Bharata B Rao, 2016/03/10
- [Qemu-devel] [RFC PATCH v2 5/9] cpu: Abstract CPU core type, Bharata B Rao, 2016/03/10
- [Qemu-devel] [RFC PATCH v2 3/9] cpu: Reclaim vCPU objects, Bharata B Rao, 2016/03/10
- [Qemu-devel] [RFC PATCH v2 6/9] spapr: CPU core device, Bharata B Rao, 2016/03/10