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[RFC,v6,04/20] replay: disable default snapshot for record/replay

Message ID 20180207120415.5389.54948.stgit@pasha-VirtualBox (mailing list archive)
State New, archived
Headers show

Commit Message

Pavel Dovgalyuk Feb. 7, 2018, 12:04 p.m. UTC 
From: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>

This patch disables setting '-snapshot' option on by default
in record/replay mode. This is needed for creating vmstates in record
and replay modes.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
---
 vl.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/vl.c b/vl.c
index 42f6ba3..31bdfba 100644
--- a/vl.c
+++ b/vl.c
@@ -3236,7 +3236,13 @@  int main(int argc, char **argv, char **envp)
                 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
                 break;
             case QEMU_OPTION_snapshot:
-                snapshot = 1;
+                {
+                    Error *blocker = NULL;
+                    snapshot = 1;
+                    error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
+                               "-snapshot");
+                    replay_add_blocker(blocker);
+                }
                 break;
             case QEMU_OPTION_numa:
                 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),