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authorWei Yang <richardw.yang@linux.intel.com>2019-08-05 13:31:46 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2019-08-14 17:33:14 +0100
commit1ce542620ada7e905a253c99b9acac279f245bae (patch)
tree38b5a441fe722e3743340b2e7c76d45338363a25 /migration/savevm.c
parent7a3e957177c18917cf713d7e366fa6aca351da1f (diff)
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migration/postcopy: use mis->bh instead of allocating a QEMUBH
For migration incoming side, it either quit in precopy or postcopy. It is safe to use the mis->bh for both instead of allocating a dedicated QEMUBH for postcopy. Signed-off-by: Wei Yang <richardw.yang@linux.intel.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20190805053146.32326-1-richardw.yang@linux.intel.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/savevm.c')
-rw-r--r--migration/savevm.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index 1ac1530..6369a4f 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1866,16 +1866,10 @@ static int loadvm_postcopy_handle_listen(MigrationIncomingState *mis)
return 0;
}
-
-typedef struct {
- QEMUBH *bh;
-} HandleRunBhData;
-
static void loadvm_postcopy_handle_run_bh(void *opaque)
{
Error *local_err = NULL;
- HandleRunBhData *data = opaque;
- MigrationIncomingState *mis = migration_incoming_get_current();
+ MigrationIncomingState *mis = opaque;
/* TODO we should move all of this lot into postcopy_ram.c or a shared code
* in migration.c
@@ -1907,15 +1901,13 @@ static void loadvm_postcopy_handle_run_bh(void *opaque)
runstate_set(RUN_STATE_PAUSED);
}
- qemu_bh_delete(data->bh);
- g_free(data);
+ qemu_bh_delete(mis->bh);
}
/* After all discards we can start running and asking for pages */
static int loadvm_postcopy_handle_run(MigrationIncomingState *mis)
{
PostcopyState ps = postcopy_state_set(POSTCOPY_INCOMING_RUNNING);
- HandleRunBhData *data;
trace_loadvm_postcopy_handle_run();
if (ps != POSTCOPY_INCOMING_LISTENING) {
@@ -1923,9 +1915,8 @@ static int loadvm_postcopy_handle_run(MigrationIncomingState *mis)
return -1;
}
- data = g_new(HandleRunBhData, 1);
- data->bh = qemu_bh_new(loadvm_postcopy_handle_run_bh, data);
- qemu_bh_schedule(data->bh);
+ mis->bh = qemu_bh_new(loadvm_postcopy_handle_run_bh, mis);
+ qemu_bh_schedule(mis->bh);
/* We need to finish reading the stream from the package
* and also stop reading anything more from the stream that loaded the