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migration: Use bitset of MigMode instead of variable arguments

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migrate_add_blocker_modes() and migration_add_notifier_modes use
variable arguments for a set of migration modes.  The variable
arguments get collected into a bitset for processsing.  Take a bitset
argument instead, it's simpler.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20251027064503.1074255-3-armbru@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Markus Armbruster 2025-10-27 07:45:02 +01:00 • committed by Peter Xu
parent 75a9f080c2
commit 3ca0a0ab05
10 changed files with 33 additions and 68 deletions
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8
system/physmem.c
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@ -2255,8 +2255,8 @@ static void ram_block_add(RAMBlock *new_block, Error **errp)
"Memory region %s uses guest_memfd, "
"which is not supported with CPR.",
memory_region_name(new_block->mr));
migrate_add_blocker_modes(&new_block->cpr_blocker, errp,
MIG_MODE_CPR_TRANSFER, -1);
migrate_add_blocker_modes(&new_block->cpr_blocker,
BIT(MIG_MODE_CPR_TRANSFER), errp);
}
}
@ -4462,8 +4462,8 @@ void ram_block_add_cpr_blocker(RAMBlock *rb, Error **errp)
"Memory region %s is not compatible with CPR. share=on is "
"required for memory-backend objects, and aux-ram-share=on is "
"required.", memory_region_name(rb->mr));
migrate_add_blocker_modes(&rb->cpr_blocker, errp, MIG_MODE_CPR_TRANSFER,
-1);
migrate_add_blocker_modes(&rb->cpr_blocker, BIT(MIG_MODE_CPR_TRANSFER),
errp);
}
void ram_block_del_cpr_blocker(RAMBlock *rb)