the first round of ram transfer is special since all pages
are dirty and thus all memory pages are transferred to
the target. this patch adds a boolean variable to track
this stage.
Signed-off-by: Peter Lieven <p...@kamp.de>
Reviewed-by: Eric Blake <ebl...@redhat.com>
---
arch_init.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch_init.c b/arch_init.c
index 9ebca83..4c4caf4 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -317,6 +317,7 @@ static ram_addr_t last_offset;
static unsigned long *migration_bitmap;
static uint64_t migration_dirty_pages;
static uint32_t last_version;
+static bool ram_bulk_stage;
static inline
ram_addr_t migration_bitmap_find_and_reset_dirty(MemoryRegion *mr,
@@ -424,6 +425,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage)
if (!block) {
block = QTAILQ_FIRST(&ram_list.blocks);
complete_round = true;
+ ram_bulk_stage = false;
}
} else {
uint8_t *p;
@@ -527,6 +529,7 @@ static void reset_ram_globals(void)
last_sent_block = NULL;
last_offset = 0;
last_version = ram_list.version;
+ ram_bulk_stage = true;
}
#define MAX_WAIT 50 /* ms, half buffered_file limit */
--
1.7.9.5
