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[Qemu-devel] [PULL 10/12] exec: Do vmstate unregistration from cpu_exec_
From: |
David Gibson |
Subject: |
[Qemu-devel] [PULL 10/12] exec: Do vmstate unregistration from cpu_exec_exit() |
Date: |
Tue, 31 May 2016 10:41:15 +1000 |
From: Bharata B Rao <address@hidden>
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>
Acked-by: Paolo Bonzini <address@hidden>
[dwg: added missing include to fix compile on some archs]
Signed-off-by: David Gibson <address@hidden>
---
exec.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/exec.c b/exec.c
index a1dfc01..7261172 100644
--- a/exec.c
+++ b/exec.c
@@ -57,6 +57,8 @@
#include "exec/ram_addr.h"
#include "exec/log.h"
+#include "migration/vmstate.h"
+
#include "qemu/range.h"
#ifndef _WIN32
#include "qemu/mmap-alloc.h"
@@ -637,6 +639,8 @@ 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
@@ -654,6 +658,13 @@ 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)
--
2.5.5
- [Qemu-devel] [PULL 00/12] ppc-for-2.7 queue 20160531, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 12/12] cpu: Add a sync version of cpu_remove(), David Gibson, 2016/05/30
- [Qemu-devel] [PULL 01/12] ppc: Remove MMU_MODEn_SUFFIX definitions, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 08/12] ppc: Add PPC_64H instruction flag to POWER7 and POWER8, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 04/12] ppc: tlbie, tlbia and tlbisync are HV only, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 10/12] exec: Do vmstate unregistration from cpu_exec_exit(),
David Gibson <=
- [Qemu-devel] [PULL 06/12] ppc: Fix sign extension issue in mtmsr(d) emulation, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 07/12] ppc: Get out of emulation on SMT "OR" ops, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 03/12] ppc: Do some batching of TCG tlb flushes, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 02/12] ppc: Use split I/D mmu modes to avoid flushes on interrupts, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 11/12] cpu: Reclaim vCPU objects, David Gibson, 2016/05/30
- [Qemu-devel] [PULL 09/12] exec: Remove cpu from cpus list during cpu_exec_exit(), David Gibson, 2016/05/30
- [Qemu-devel] [PULL 05/12] ppc: Change 'invalid' bit mask of tlbiel and tlbie, David Gibson, 2016/05/30