On Wed, Jun 28, 2023 at 10:25:29AM -0700, Suren Baghdasaryan wrote: > Enable handle_userfault to operate under VMA lock by releasing VMA lock > instead of mmap_lock and retrying. Note that FAULT_FLAG_RETRY_NOWAIT > should never be used when handling faults under per-VMA lock protection > because that would break the assumption that lock is dropped on retry. > > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> Maybe the sanitize_fault_flags() changes suite more in patch 3, but not a big deal I guess. Acked-by: Peter Xu <peterx@xxxxxxxxxx> Thanks! -- Peter Xu