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[Qemu-devel] [PATCH V2 3/5] Introduce premigrate RunState.
From: |
Anthony PERARD |
Subject: |
[Qemu-devel] [PATCH V2 3/5] Introduce premigrate RunState. |
Date: |
Fri, 9 Dec 2011 21:54:03 +0000 |
This new state will be used by Xen functions to know QEMU will wait for a
migration. This is important to know for memory related function because the
memory is already allocated and reallocated them will not works.
Signed-off-by: Anthony PERARD <address@hidden>
---
qapi-schema.json | 2 +-
vl.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/qapi-schema.json b/qapi-schema.json
index cb1ba77..bd77444 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -121,7 +121,7 @@
{ 'enum': 'RunState',
'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
- 'running', 'save-vm', 'shutdown', 'watchdog' ] }
+ 'running', 'save-vm', 'shutdown', 'watchdog', 'premigrate' ] }
##
# @StatusInfo:
diff --git a/vl.c b/vl.c
index e7dced2..a291416 100644
--- a/vl.c
+++ b/vl.c
@@ -351,8 +351,11 @@ static const RunStateTransition runstate_transitions_def[]
= {
{ RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
{ RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
+ { RUN_STATE_PRELAUNCH, RUN_STATE_PREMIGRATE },
{ RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
+ { RUN_STATE_PREMIGRATE, RUN_STATE_INMIGRATE },
+
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
@@ -2975,6 +2978,7 @@ int main(int argc, char **argv, char **envp)
break;
case QEMU_OPTION_incoming:
incoming = optarg;
+ runstate_set(RUN_STATE_PREMIGRATE);
break;
case QEMU_OPTION_nodefaults:
default_serial = 0;
--
Anthony PERARD
[Qemu-devel] [PATCH V2 4/5] xen: Change memory access behavior during migration., Anthony PERARD, 2011/12/09
[Qemu-devel] [PATCH V2 5/5] vga-cirrus: Workaround during restore when using Xen., Anthony PERARD, 2011/12/09