From patchwork Tue Oct 2 11:33:07 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [12/41] ram: introduce migration_bitmap_sync() Date: Tue, 02 Oct 2012 01:33:07 -0000 From: Juan Quintela X-Patchwork-Id: 188508 Message-Id: <1349177616-5341-13-git-send-email-quintela@redhat.com> To: qemu-devel@nongnu.org Helper that we use each time that we need to syncronize the migration bitmap with the other dirty bitmaps. Signed-off-by: Juan Quintela Reviewed-by: Paolo Bonzini --- arch_init.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch_init.c b/arch_init.c index 90a722e..3a5fecc 100644 --- a/arch_init.c +++ b/arch_init.c @@ -356,6 +356,12 @@ static inline void migration_bitmap_set_dirty(MemoryRegion *mr, int length) } } +static void migration_bitmap_sync(void) +{ + memory_global_sync_dirty_bitmap(get_system_memory()); +} + + /* * ram_save_block: Writes a page of memory to the stream f * @@ -613,7 +619,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) expected_downtime, migrate_max_downtime()); if (expected_downtime <= migrate_max_downtime()) { - memory_global_sync_dirty_bitmap(get_system_memory()); + migration_bitmap_sync(); expected_downtime = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth; s->expected_downtime = expected_downtime / 1000000; /* ns -> ms */ @@ -624,7 +630,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) static int ram_save_complete(QEMUFile *f, void *opaque) { - memory_global_sync_dirty_bitmap(get_system_memory()); + migration_bitmap_sync(); /* try transferring iterative blocks of memory */