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| author | Wei Wang <wei.w.wang@intel.com> | 2018-12-11 16:24:51 +0800 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2019-03-06 10:49:18 +0000 |
| commit | bd2270608fa0112108aafcba89b87282c68db741 (patch) | |
| tree | 979a6b79d0f1a56f6fe6a134d77a6f5bf6acd312 /migration/savevm.c | |
| parent | 6bcb05fc4211d2bd88fe73c65e93602428c51e5b (diff) | |
| download | qemu-bd2270608fa0112108aafcba89b87282c68db741.zip | |
migration/ram.c: add a notifier chain for precopy
This patch adds a notifier chain for the memory precopy. This enables various
precopy optimizations to be invoked at specific places.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-6-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/savevm.c')
| -rw-r--r-- | migration/savevm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c index 013098581f..1415001d1c 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1088,6 +1088,7 @@ void qemu_savevm_state_header(QEMUFile *f) void qemu_savevm_state_setup(QEMUFile *f) { SaveStateEntry *se; + Error *local_err = NULL; int ret; trace_savevm_state_setup(); @@ -1109,6 +1110,10 @@ void qemu_savevm_state_setup(QEMUFile *f) break; } } + + if (precopy_notify(PRECOPY_NOTIFY_SETUP, &local_err)) { + error_report_err(local_err); + } } int qemu_savevm_state_resume_prepare(MigrationState *s) @@ -1251,6 +1256,11 @@ int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, SaveStateEntry *se; int ret; bool in_postcopy = migration_in_postcopy(); + Error *local_err = NULL; + + if (precopy_notify(PRECOPY_NOTIFY_COMPLETE, &local_err)) { + error_report_err(local_err); + } trace_savevm_state_complete_precopy(); @@ -1383,6 +1393,11 @@ void qemu_savevm_state_pending(QEMUFile *f, uint64_t threshold_size, void qemu_savevm_state_cleanup(void) { SaveStateEntry *se; + Error *local_err = NULL; + + if (precopy_notify(PRECOPY_NOTIFY_CLEANUP, &local_err)) { + error_report_err(local_err); + } trace_savevm_state_cleanup(); QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { |