This will be useful on architectures that support ASIDs, and on ones that don't, it can be used to avoid a race between invalidation messages being sent and context switches occurring on other CPUs. In this commit, no behavioral change intended on any architecture. Change-Id: I6d2ee4b69150f9ff8503329761266ddbdb550eab Reviewed-on: https://review.haiku-os.org/c/haiku/+/10349 Reviewed-by: waddlesplash <[email protected]> Tested-by: Commit checker robot <[email protected]> Reviewed-by: Adrien Destugues <[email protected]>