[v2,2/6] migration/postcopy: wait for decompress thread in precopy
diff mbox series

Message ID 20191107123907.29791-3-richardw.yang@linux.intel.com
State New
Headers show
Series
  • migration/postcopy: enable compress during postcopy
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Commit Message

Wei Yang Nov. 7, 2019, 12:39 p.m. UTC
Compress is not supported with postcopy, it is safe to wait for
decompress thread just in precopy.

This is a preparation for later patch.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 migration/ram.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Juan Quintela Jan. 9, 2020, 9:40 a.m. UTC | #1
Wei Yang <richardw.yang@linux.intel.com> wrote:
> Compress is not supported with postcopy, it is safe to wait for
> decompress thread just in precopy.
>
> This is a preparation for later patch.
>
> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

Reviewed-by: Juan Quintela <quintela@redhat.com>

Patch
diff mbox series

diff --git a/migration/ram.c b/migration/ram.c
index 7938a643d9..f59e3fe197 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -4375,6 +4375,7 @@  static int ram_load_precopy(QEMUFile *f)
         }
     }
 
+    ret |= wait_for_decompress_done();
     return ret;
 }
 
@@ -4406,8 +4407,6 @@  static int ram_load(QEMUFile *f, void *opaque, int version_id)
         } else {
             ret = ram_load_precopy(f);
         }
-
-        ret |= wait_for_decompress_done();
     }
     trace_ram_load_complete(ret, seq_iter);