Commit 4633456c authored by Yi Wang's avatar Yi Wang Committed by Dr. David Alan Gilbert
Browse files

migration: update comments of migration bitmap 



Since the ram bitmap and the unsent bitmap are split by RAMBlock
in commit 6b6712ef, it's better to update the comments about them.

Signed-off-by: default avatarYi Wang <wang.yi59@zte.com.cn>
Message-Id: <1555311089-18610-1-git-send-email-wang.yi59@zte.com.cn>
Reviewed-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
parent bf212979

migration/ram.c

+1 −3
Original line number Diff line number Diff line
@@ -1630,8 +1630,6 @@ static int save_xbzrle_page(RAMState *rs, uint8_t **current_data, 
/**

 * migration_bitmap_find_dirty: find the next dirty page from start

 *

 * Called with rcu_read_lock() to protect migration_bitmap

 *

 * Returns the byte offset within memory region of the start of a dirty page

 *

 * @rs: current RAM state
@@ -2681,7 +2679,7 @@ static void ram_save_cleanup(void *opaque) 
    RAMBlock *block;



    /* caller have hold iothread lock or is in a bh, so there is

     * no writing race against this migration_bitmap

     * no writing race against the migration bitmap

     */

    memory_global_dirty_log_stop();