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migration: add more error handling for postcopy_ram_enable_notify 

Call postcopy_ram_incoming_cleanup() to do the cleanup when
postcopy_ram_enable_notify fails. Besides, report the error
message when qemu_ram_foreach_migratable_block() fails.

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Fei Li <fli@suse.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190113140849.38339-5-lifei1214@126.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Fei Li 2019-01-13 22:08:48 +08:00 committed by Dr. David Alan Gilbert
parent 1398b2e3fe
commit 91b02dc750
2 changed files with 2 additions and 0 deletions
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1
migration/postcopy-ram.c
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@ -1117,6 +1117,7 @@ int postcopy_ram_enable_notify(MigrationIncomingState *mis)
/* Mark so that we get notified of accesses to unwritten areas */
if (qemu_ram_foreach_migratable_block(ram_block_enable_notify, mis)) {
error_report("ram_block_enable_notify failed");
return -1;
}

1
migration/savevm.c
View File

@ -1729,6 +1729,7 @@ static int loadvm_postcopy_handle_listen(MigrationIncomingState *mis)
*/
if (migrate_postcopy_ram()) {
if (postcopy_ram_enable_notify(mis)) {
postcopy_ram_incoming_cleanup(mis);
return -1;
}
}