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authorPeter Maydell <peter.maydell@linaro.org>2019-04-06 00:22:34 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-04-06 00:22:34 +0100
commit90fb864a7df0a9af677352e94f8225f7b03de922 (patch)
tree5d96aad165c6ce872f1182856570dbfa9d594afc
parent10546e09e174e0bb185b66a4c397aa845efcd36e (diff)
parentd013283a46e1f197594e76ed320f867067ab80b3 (diff)
downloadfocaccia-qemu-90fb864a7df0a9af677352e94f8225f7b03de922.tar.gz
focaccia-qemu-90fb864a7df0a9af677352e94f8225f7b03de922.zip
Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20190405a' into staging
Migration fixes pull for 4.0

A couple of fixes for crashes in colo and
migration parameters.

# gpg: Signature made Fri 05 Apr 2019 16:47:38 BST
# gpg:                using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-migration-20190405a:
  migration: Fix migrate_set_parameter
  migration/ram.c: Fix codes conflict about bitmap_mutex

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hmp.c6
-rw-r--r--migration/ram.c2
2 files changed, 6 insertions, 2 deletions
diff --git a/hmp.c b/hmp.c
index 92941142af..8eec768088 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1825,8 +1825,10 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
     case MIGRATION_PARAMETER_XBZRLE_CACHE_SIZE:
         p->has_xbzrle_cache_size = true;
         visit_type_size(v, param, &cache_size, &err);
-        if (err || cache_size > INT64_MAX
-            || (size_t)cache_size != cache_size) {
+        if (err) {
+            break;
+        }
+        if (cache_size > INT64_MAX || (size_t)cache_size != cache_size) {
             error_setg(&err, "Invalid size %s", valuestr);
             break;
         }
diff --git a/migration/ram.c b/migration/ram.c
index d7f8fe45a8..f68beeeeff 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -3918,6 +3918,7 @@ int colo_init_ram_cache(void)
     }
     ram_state = g_new0(RAMState, 1);
     ram_state->migration_dirty_pages = 0;
+    qemu_mutex_init(&ram_state->bitmap_mutex);
     memory_global_dirty_log_start();
 
     return 0;
@@ -3956,6 +3957,7 @@ void colo_release_ram_cache(void)
     }
 
     rcu_read_unlock();
+    qemu_mutex_destroy(&ram_state->bitmap_mutex);
     g_free(ram_state);
     ram_state = NULL;
 }