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[03/49] migration: Fix rate limit

Message ID 1389634834-24181-4-git-send-email-quintela@redhat.com
State New
Headers show

Commit Message

Juan Quintela Jan. 13, 2014, 5:39 p.m. UTC 
From: Matthew Garrett <matthew.garrett@nebula.com>

The migration thread appears to want to allow writeout to occur at full
speed rather than being rate limited during completion of state saving,
but sets the limit to INT_MAX when xfer_limit is INT64_MAX. This causes
problems if there's more than 2GB of state left to save at this point. It
probably ought to just be INT64_MAX instead.

Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/migration.c b/migration.c
index 4ee341b..e5f6b98 100644
--- a/migration.c
+++ b/migration.c
@@ -596,7 +596,7 @@  static void *migration_thread(void *opaque)

                 ret = vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
                 if (ret >= 0) {
-                    qemu_file_set_rate_limit(s->file, INT_MAX);
+                    qemu_file_set_rate_limit(s->file, INT64_MAX);
                     qemu_savevm_state_complete(s->file);
                 }
                 qemu_mutex_unlock_iothread();