From 5f718a15d0db3775bbcf2755a35dd6b019bcff8b Mon Sep 17 00:00:00 2001 From: Juan Quintela Date: Wed, 17 Oct 2012 20:10:55 +0200 Subject: ram: Add last_sent_block This is the last block from where we have sent data. Signed-off-by: Orit Wasserman Signed-off-by: Juan Quintela --- arch_init.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch_init.c b/arch_init.c index 4351d304a8..caac526f2f 100644 --- a/arch_init.c +++ b/arch_init.c @@ -336,6 +336,8 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, /* This is the last block that we have visited serching for dirty pages */ static RAMBlock *last_seen_block; +/* This is the last block from where we have sent data */ +static RAMBlock *last_sent_block; static ram_addr_t last_offset; static unsigned long *migration_bitmap; static uint64_t migration_dirty_pages; @@ -433,7 +435,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage) mr = block->mr; if (migration_bitmap_test_and_reset_dirty(mr, offset)) { uint8_t *p; - int cont = (block == last_seen_block) ? + int cont = (block == last_sent_block) ? RAM_SAVE_FLAG_CONTINUE : 0; p = memory_region_get_ram_ptr(mr) + offset; @@ -462,6 +464,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage) /* if page is unmodified, continue to the next */ if (bytes_sent != 0) { + last_sent_block = block; break; } } @@ -535,6 +538,7 @@ static void ram_migration_cancel(void *opaque) static void reset_ram_globals(void) { last_seen_block = NULL; + last_sent_block = NULL; last_offset = 0; last_version = ram_list.version; } -- cgit v1.2.1