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[Qemu-devel] [PATCH v10 1/6] start vm after reseting it


From: Wen Congyang
Subject: [Qemu-devel] [PATCH v10 1/6] start vm after reseting it
Date: Wed, 29 Aug 2012 13:20:25 +0800
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100413 Fedora/3.0.4-2.fc13 Thunderbird/3.0.4

The guest should run after reseting 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 reseting 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 <address@hidden>
---
 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 2e2be11..c3265c2 100644
--- a/block.h
+++ b/block.h
@@ -339,6 +339,8 @@ 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 8463922..c5a20f1 100644
--- a/qmp.c
+++ b/qmp.c
@@ -125,7 +125,7 @@ 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 7c577fa..316a977 100644
--- a/vl.c
+++ b/vl.c
@@ -343,7 +343,7 @@ static const RunStateTransition runstate_transitions_def[] 
= {
     { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
     { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
 
-    { 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 },
@@ -376,7 +376,7 @@ 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 },
@@ -1608,7 +1608,8 @@ 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()) {
-- 
1.7.1




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