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See http://www.infradead.org/rpr.html X-Rspamd-Queue-Id: E6515140006 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 3wy9j71hqdzkxjk3t334m4ut5w1sqx3u X-HE-Tag: 1723609617-97313 X-HE-Meta: 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 66fiPKK7 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Aug 13, 2024 at 01:05:02PM -0300, Jason Gunthorpe wrote: > > Where do we block driver unbind with an open resource? > > I keep seeing it in different subsystems, safe driver unbind is really > hard. :\ eg I think VFIO has some waits in it Well, waits for what? Usuaully an unbind has to wait for something, but waiting for unbound references is always a bug. And I can't think of any sensible subsystem doing this.