Messages in this thread | | | Date | Wed, 28 Jun 2023 13:32:04 -0400 | From | Peter Xu <> | Subject | Re: [PATCH v5 6/6] mm: handle userfaults under VMA lock |
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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@google.com>
Maybe the sanitize_fault_flags() changes suite more in patch 3, but not a big deal I guess.
Acked-by: Peter Xu <peterx@redhat.com>
Thanks!
-- Peter Xu
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