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migration: move only_migratable to MigrationState

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One less global variable, and it does only matter with migration.

We keep the old "--only-migratable" option, but also now we support:

  -global migration.only-migratable=true

Currently still keep the old interface.

Hmm, now vl.c has no way to access migrate_get_current(). Export a
function for it to setup only_migratable.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1498536619-14548-7-git-send-email-peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Peter Xu 2017-06-27 12:10:15 +08:00 • committed by Juan Quintela
parent 5272298c48
commit 3df663e575
6 changed files with 20 additions and 5 deletions
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2
migration/savevm.c
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@ -2336,7 +2336,7 @@ void vmstate_register_ram_global(MemoryRegion *mr)
bool vmstate_check_only_migratable(const VMStateDescription *vmsd)
{
/* check needed if --only-migratable is specified */
if (!only_migratable) {
if (!migrate_get_current()->only_migratable) {
return true;
}