Various NICs: Fix suspend/resume of multiple instances, by Jan Kiszka.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4892 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 3 insertions, 1 deletions

diff --git a/vl.c b/vl.c
index b6d65a0ef1..e7a0645888 100644
--- a/vl.c
+++ b/vl.c
@@ -6081,7 +6081,9 @@ typedef struct SaveStateEntry {
 static SaveStateEntry *first_se;
 
 /* TODO: Individual devices generally have very little idea about the rest
-   of the system, so instance_id should be removed/replaced.  */
+   of the system, so instance_id should be removed/replaced.
+   Meanwhile pass -1 as instance_id if you do not already have a clearly
+   distinguishing id for all instances of your device class. */
 int register_savevm(const char *idstr,
                     int instance_id,
                     int version_id,