Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Wed 11 Nov 2020 13:04:02 GMT
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  hw/net/can/ctucan_core: Use stl_le_p to write to tx_buffers
  hw/net/can/ctucan_core: Handle big-endian hosts
  hw/net/can/ctucan: Avoid unused value in ctucan_send_ready_buffers()
  hw/net/can/ctucan: Don't allow guest to write off end of tx_buffer
  net/l2tpv3: Remove redundant check in net_init_l2tpv3()
  net: remove an assert call in eth_get_gso_type
  net/colo-compare.c: Increase default queued packet scan frequency
  net/colo-compare.c: Add secondary old packet detection
  net/colo-compare.c: Change the timer clock type
  net/colo-compare.c: Fix compare_timeout format issue
  colo-compare: check mark in mutual exclusion
  colo-compare: fix missing compare_seq initialization
  Fix the qemu crash when guest shutdown in COLO mode
  Reduce the time of checkpoint for COLO
  Optimize seq_sorter function for colo-compare
  net/filter-rewriter: destroy g_hash_table in colo_rewriter_cleanup
  virtio-net: Set mac address to hardware if the peer is vdpa

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

1 files changed, 13 insertions, 1 deletions

diff --git a/migration/ram.c b/migration/ram.c
index 2da2b622ab..add5396a62 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -3011,6 +3011,18 @@ static void decompress_data_with_multi_threads(QEMUFile *f,
     qemu_mutex_unlock(&decomp_done_lock);
 }
 
+ /*
+  * we must set ram_bulk_stage to false, otherwise in
+  * migation_bitmap_find_dirty the bitmap will be unused and
+  * all the pages in ram cache wil be flushed to the ram of
+  * secondary VM.
+  */
+static void colo_init_ram_state(void)
+{
+    ram_state_init(&ram_state);
+    ram_state->ram_bulk_stage = false;
+}
+
 /*
  * colo cache: this is for secondary VM, we cache the whole
  * memory of the secondary VM, it is need to hold the global lock
@@ -3054,7 +3066,7 @@ int colo_init_ram_cache(void)
         }
     }
 
-    ram_state_init(&ram_state);
+    colo_init_ram_state();
     return 0;
 }