On 2025-05-13 18:09, Peter Xu wrote:
> With commit 82137e6c8c ("migration: enforce multifd and postcopy preempt to
> be set before incoming"), and if postcopy preempt / multifd is enabled, one
> cannot setup any capability because these checks would always fail.
>
> (qemu) migrate_set_capability xbzrle off
> Error: Postcopy preempt must be set before incoming starts
>
> To fix it, check existing cap and only raise an error if the specific cap
> changed.
>
> Fixes: 82137e6c8c ("migration: enforce multifd and postcopy preempt to be set
> before incoming")
> Signed-off-by: Peter Xu <[email protected]>
> ---
> migration/options.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Reviewed-by: Juraj Marcin <[email protected]>
