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[Qemu-devel] [PATCH] vl: chanage runstate only if new state is different
From: |
Li Zhijian |
Subject: |
[Qemu-devel] [PATCH] vl: chanage runstate only if new state is different from current state |
Date: |
Wed, 13 Apr 2016 17:27:51 +0800 |
Previously, qemu will abort at following scenario:
(qemu) stop
(qemu) system_reset
(qemu) system_reset
(qemu) 2016-04-13T20:54:38.979158Z qemu-system-x86_64: invalid runstate
transition: 'prelaunch' -> 'prelaunch'
Signed-off-by: Li Zhijian <address@hidden>
---
vl.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/vl.c b/vl.c
index 9df534f..039a353 100644
--- a/vl.c
+++ b/vl.c
@@ -692,6 +692,10 @@ void runstate_set(RunState new_state)
{
assert(new_state < RUN_STATE__MAX);
+ if (current_run_state == new_state) {
+ return ;
+ }
+
if (!runstate_valid_transitions[current_run_state][new_state]) {
error_report("invalid runstate transition: '%s' -> '%s'",
RunState_lookup[current_run_state],
--
2.5.0
- [Qemu-devel] [PATCH] vl: chanage runstate only if new state is different from current state,
Li Zhijian <=