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[Qemu-devel] [for-2.7 PATCH v3 02/15] exec: Do vmstate unregistration fr
From: |
Bharata B Rao |
Subject: |
[Qemu-devel] [for-2.7 PATCH v3 02/15] exec: Do vmstate unregistration from cpu_exec_exit() |
Date: |
Thu, 12 May 2016 09:18:12 +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>
Reviewed-by: Thomas Huth <address@hidden>
Reviewed-by: David Gibson <address@hidden>
---
exec.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/exec.c b/exec.c
index da1f09a..32bd5df 100644
--- a/exec.c
+++ b/exec.c
@@ -635,6 +635,8 @@ 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
@@ -652,6 +654,13 @@ 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