[PATCH v12 2/8] start vm after resetting it

Hu Tao
2012-12-12T06:14:00Z

From: Wen Congyang <wency@cn.fujitsu.com>

The guest should run after resetting it, but it does not run if its
old state is RUN_STATE_INTERNAL_ERROR or RUN_STATE_PAUSED.

We don't set runstate to RUN_STATE_PAUSED when resetting the guest,
so the runstate will be changed from RUN_STATE_INTERNAL_ERROR or
RUN_STATE_PAUSED to RUN_STATE_RUNNING(not RUN_STATE_PAUSED).

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
---
block.h | 2 ++
qmp.c | 2 +-
vl.c | 7 ++++---
3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/block.h b/block.h
index 722c620..2eea979 100644
--- a/block.h
+++ b/block.h
@@ -365,6 +365,8 @@ void bdrv_disable_copy_on_read(BlockDriverState *bs);
void bdrv_set_in_use(BlockDriverState *bs, int in_use);
int bdrv_in_use(BlockDriverState *bs);

+void iostatus_bdrv_it(void *opaque, BlockDriverState *bs);
+
enum BlockAcctType {
BDRV_ACCT_READ,
BDRV_ACCT_WRITE,
diff --git a/qmp.c b/qmp.c
index 13e83a5..bcd7229 100644
--- a/qmp.c
+++ b/qmp.c
@@ -129,7 +129,7 @@ SpiceInfo *qmp_query_spice(Error **errp)
};
#endif

-static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
+void iostatus_bdrv_it(void *opaque, BlockDriverState *bs)
{
bdrv_iostatus_reset(bs);
}
diff --git a/vl.c b/vl.c
index 6f274cc..69fca16 100644
--- a/vl.c
+++ b/vl.c
@@ -345,7 +345,7 @@ static const RunStateTransition runstate_transitions_def[] = {
{ RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },

- { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
+ { RUN_STATE_INTERNAL_ERROR, RUN_STATE_RUNNING },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },

{ RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
@@ -380,7 +380,7 @@ static const RunStateTransition runstate_transitions_def[] = {

{ RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },

- { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
+ { RUN_STATE_SHUTDOWN, RUN_STATE_RUNNING },
{ RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },

{ RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
@@ -1770,7 +1770,8 @@ static bool main_loop_should_exit(void)
resume_all_vcpus();
if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
runstate_check(RUN_STATE_SHUTDOWN)) {
- runstate_set(RUN_STATE_PAUSED);
+ bdrv_iterate(iostatus_bdrv_it, NULL);
+ vm_start();
}
}
if (qemu_wakeup_requested()) {
--
1.8.0.1.240.ge8a1f5a