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[Qemu-devel] [PATCH v9 08/10] replay: make safe vmstop at record/replay
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH v9 08/10] replay: make safe vmstop at record/replay |
Date: |
Thu, 04 May 2017 11:42:22 +0300 |
User-agent: |
StGit/0.16 |
This patch disables bdrv flush/drain in record/replay mode.
When block request is in the replay queue it cannot be processed
with drain/flush until it is found in the log.
Therefore vm should just stop leaving unfinished operations
in the queue.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
cpus.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/cpus.c b/cpus.c
index 740b8dc3f8..f21e7f3166 100644
--- a/cpus.c
+++ b/cpus.c
@@ -932,9 +932,10 @@ static int do_vm_stop(RunState state)
qapi_event_send_stop(&error_abort);
}
- bdrv_drain_all();
- replay_disable_events();
- ret = bdrv_flush_all();
+ if (!replay_events_enabled()) {
+ bdrv_drain_all();
+ ret = bdrv_flush_all();
+ }
return ret;
}
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, (continued)
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Paolo Bonzini, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Paolo Bonzini, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Paolo Bonzini, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Paolo Bonzini, 2017/05/04
- Re: [Qemu-devel] [PATCH v9 06/10] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2017/05/04
[Qemu-devel] [PATCH v9 07/10] replay: added replay log format description, Pavel Dovgalyuk, 2017/05/04
[Qemu-devel] [PATCH v9 08/10] replay: make safe vmstop at record/replay,
Pavel Dovgalyuk <=
[Qemu-devel] [PATCH v9 09/10] replay: save prior value of the host clock, Pavel Dovgalyuk, 2017/05/04
[Qemu-devel] [PATCH v9 10/10] icount: fixed saving/restoring of icount warp timers, Pavel Dovgalyuk, 2017/05/04
Re: [Qemu-devel] [PATCH v9 00/10] replay additions, no-reply, 2017/05/04