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46870b2391
invalidate_range() also obtains the umem_mutex which is being held at this point, so if this path were was ever called it would deadlock. Thus conclude the debugging never triggers and rework it into a simple WARN_ON and leave things as they are. While here add a note to explain how we could possibly get inconsistent page pointers. Link: https://lore.kernel.org/r/20191009160934.3143-16-jgg@ziepe.ca Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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