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[Qemu-devel] [PATCH v10 03/24] replay: disable default snapshot for reco


From: Pavel Dovgalyuk
Subject: [Qemu-devel] [PATCH v10 03/24] replay: disable default snapshot for record/replay
Date: Thu, 17 Jan 2019 10:37:07 +0300
User-agent: StGit/0.17.1-dirty

From: Pavel Dovgalyuk <address@hidden>

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 <address@hidden>
---
 vl.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/vl.c b/vl.c
index bc9fbec..bea05cd 100644
--- a/vl.c
+++ b/vl.c
@@ -3196,7 +3196,13 @@ 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"),
@@ -4465,7 +4471,7 @@ int main(int argc, char **argv, char **envp)
         qapi_free_BlockdevOptions(bdo->bdo);
         g_free(bdo);
     }
-    if (snapshot || replay_mode != REPLAY_MODE_NONE) {
+    if (snapshot) {
         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
                           NULL, NULL);
     }




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