Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20171122' into staging

migration/next for 20171122

# gpg: Signature made Wed 22 Nov 2017 08:43:13 GMT
# gpg:                using RSA key 0xF487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg:                 aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* remotes/juanquintela/tags/migration/20171122:
  migration/ram.c: do not set 'postcopy_running' in POSTCOPY_INCOMING_END
  migration, xen: Fix block image lock issue on live migration

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 14 insertions, 2 deletions

diff --git a/migration/ram.c b/migration/ram.c
index 8620aa400a..021d583b9b 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -2798,6 +2798,18 @@ static int ram_load_postcopy(QEMUFile *f)
     return ret;
 }
 
+static bool postcopy_is_advised(void)
+{
+    PostcopyState ps = postcopy_state_get();
+    return ps >= POSTCOPY_INCOMING_ADVISE && ps < POSTCOPY_INCOMING_END;
+}
+
+static bool postcopy_is_running(void)
+{
+    PostcopyState ps = postcopy_state_get();
+    return ps >= POSTCOPY_INCOMING_LISTENING && ps < POSTCOPY_INCOMING_END;
+}
+
 static int ram_load(QEMUFile *f, void *opaque, int version_id)
 {
     int flags = 0, ret = 0, invalid_flags = 0;
@@ -2807,9 +2819,9 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
      * If system is running in postcopy mode, page inserts to host memory must
      * be atomic
      */
-    bool postcopy_running = postcopy_state_get() >= POSTCOPY_INCOMING_LISTENING;
+    bool postcopy_running = postcopy_is_running();
     /* ADVISE is earlier, it shows the source has the postcopy capability on */
-    bool postcopy_advised = postcopy_state_get() >= POSTCOPY_INCOMING_ADVISE;
+    bool postcopy_advised = postcopy_is_advised();
 
     seq_iter++;