On Thu, 22 Sep 2022 01:27:07 -0700, Haren Myneni wrote:
> When the migration is initiated, the hypervisor changes VAS
> mappings as part of pre-migration event. Then the OS gets the
> migration event which closes all VAS windows before the migration
> starts. NX generates continuous faults until windows are closed
> and the user space can not differentiate these NX faults coming
> from the actual migration. So to reduce this time window, close
> VAS windows first in pseries_migrate_partition().
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/pseries: Move vas_migration_handler early during migration
https://git.kernel.org/powerpc/c/465dda9d320d1cb9424f1015b0520ec4c4f0d279
cheers
