diff options
| author | Peter Xu <peterx@redhat.com> | 2017-10-19 14:31:57 +0800 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2017-10-23 18:03:34 +0200 |
| commit | 7d00ee6ad6c2dbeeb68e8d5343ec77bc5873d8f8 (patch) | |
| tree | 14084c3100ea5a508d9017722ba8c1c6e313f0a3 /migration | |
| parent | 0331c8cabf6168aa263aa0b25f5e135b328606ac (diff) | |
migration: provide ram_state_init()
The old ram_state_init() is not really initializing the RAMState only,
but including lots of other stuff that is RAM-related. Renaming it to
ram_init_all(). Instead, provide a real ram_state_init().
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/ram.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/migration/ram.c b/migration/ram.c index 47501460c8..13f4b3d101 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2019,13 +2019,36 @@ err: static int ram_state_init(RAMState **rsp) { - *rsp = g_new0(RAMState, 1); - Error *local_err = NULL; + *rsp = g_try_new0(RAMState, 1); + + if (!*rsp) { + error_report("%s: Init ramstate fail", __func__); + return -1; + } qemu_mutex_init(&(*rsp)->bitmap_mutex); qemu_mutex_init(&(*rsp)->src_page_req_mutex); QSIMPLEQ_INIT(&(*rsp)->src_page_requests); + /* + * Count the total number of pages used by ram blocks not including any + * gaps due to alignment or unplugs. + */ + (*rsp)->migration_dirty_pages = ram_bytes_total() >> TARGET_PAGE_BITS; + + ram_state_reset(*rsp); + + return 0; +} + +static int ram_init_all(RAMState **rsp) +{ + Error *local_err = NULL; + + if (ram_state_init(rsp)) { + return -1; + } + if (migrate_use_xbzrle()) { XBZRLE_cache_lock(); XBZRLE.zero_target_page = g_malloc0(TARGET_PAGE_SIZE); @@ -2065,7 +2088,6 @@ static int ram_state_init(RAMState **rsp) qemu_mutex_lock_ramlist(); rcu_read_lock(); - ram_state_reset(*rsp); /* Skip setting bitmap if there is no RAM */ if (ram_bytes_total()) { @@ -2083,12 +2105,6 @@ static int ram_state_init(RAMState **rsp) } } - /* - * Count the total number of pages used by ram blocks not including any - * gaps due to alignment or unplugs. - */ - (*rsp)->migration_dirty_pages = ram_bytes_total() >> TARGET_PAGE_BITS; - memory_global_dirty_log_start(); migration_bitmap_sync(*rsp); qemu_mutex_unlock_ramlist(); @@ -2120,7 +2136,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque) /* migration has already setup the bitmap, reuse it. */ if (!migration_in_colo_state()) { - if (ram_state_init(rsp) != 0) { + if (ram_init_all(rsp) != 0) { return -1; } } |